Abstract: A portable barrier apparatus for preventing leaves and debris from entering a pool filtration system and may include a front panel; a first angled panel connected to the front panel; a second angled panel opposing the first angled panel and connected to the front panel; and a top panel connected to the front panel, the first angled panel and the second angled panel, extending beyond the first angled panel and the second angled panel. The barrier allows for water to be filtered through the underside of the barrier and keeps debris from entering the pool filtration system.

Abstract: A durable and collapsible strainer basket for pool equipment includes a rigid annular top portion having a radially extending rim; and a flexible basket extending downward from the rigid annular top portion, the rim of the rigid annular top portion including a downward facing surface that extends radially outward beyond the flexible basket and that is positioned to rest on a ledge of a pool equipment cavity, wherein the flexible basket includes a tapered outer shape formed by two or more flexible silicone annular sections having a plurality of holes passing therethrough, wherein the two or more flexible silicone annular sections are configured to be collapsible such that the flexible basket includes a collapsed configuration and an expanded configuration.

Abstract: A quadratic surface grate cover for a swimming pool including a hyperbolic paraboloid shaped frame having front side, a back side, a top side that runs parallel to a bottom side and two non-parallel ends that connect the top and bottom sides. The quadratic surface grate includes at least four trapezoid-shaped vented portions positioned within and across the frame so that the frame and the trapezoid-shaped portions flex in a concave direction between the two non-parallel ends and a convex direction between the two parallel sides.

Abstract: A pop-up cleaning head is connectable to a swimming pool pump and is mounted in a swimming pool inner surface. The head has a pressurized extended position and an unpressurized retracted position respectively when pressurized water from the pool pump is connected to, or disconnected from, the cleaning head. The head includes a spring tube having a lower section with a nozzle orifice for directing a high pressure water stream from the swimming pool pump along and adjacent the pool inner surface. The spring tube has an upper section forming a chamber with the lower section and has a vent orifice aligned with the nozzle orifice to permit the high-pressure water stream to emanate from the head through the vent orifice and entrain pool water. The upper section includes passageways communicating with the pool to admit pool water into the chamber to be entrained in the high-pressure water stream emanating from the nozzle.

Abstract: A bezel for inserting into an opening of a water skimmer installed in a wall of an artificial body of water are disclosed. The bezel forms an open-ended duct-like structure that allows water to pass into the skimmer. The visible surfaces of the bezel can have a color or texture that mimics the wall of the artificial body of water so as to conceal the skimmer. The bezel can include one or more ribs that extend from the outside surface of the bezel. The one or more ribs can be sized to form a friction fit that holds the bezel within the opening of the skimmer.

Abstract: An in-pool swimming pool skimmer/skimmer basket, weir, pump-motor/basket, water-inline and water intake inlet debris clog reduction embodiment system, that's size/shaped to be placed in-front of a pool skimmer/plate, unattached inside a pool. The embodiment has a geometric shape-correspondent to a pool skimmer, said with a flexible fabric that has apertures that is molded into it or fits over its frame. The Main Body Shaft© mass has optional embodiments(handle, various lengths, extension, series, etc.). The present invention geometric length shape frame, the Master Head Net© assembled unit, with flexible aperture fabric, is deployed over the top edge of a pool and in front of pool skimmer/plate from above ground. When used at different angles, it's a multiple tool unit in one, a skimmer/weir, water intake debris stopper/guard, a pool leaf rake or leaf skimmer, etc.

Abstract: A swimming pool debris screening assembly for preventing clogs in a pool's water flow system includes a bracket that is sized to partially insert into an inlet of a pool skimmer of a pool. A first section of the bracket is frictionally coupled to the inlet and a second section of the bracket extends from the inlet into the pool. A grate is selectively couplable to the second section of the bracket so that the grate is configured to screen debris from water that enters the inlet.

Abstract: A pool skimmer apparatus has a weir in an inlet at an upper end of a main housing, at least one submersible DC powered pump in a bottom portion thereof, a removable debris-collection net disposed between the weir and the at least one pump wherein water and floating debris are drawn over the inlet weir, into the net where the floating debris is captured, and the filtered water is discharged through a discharge nozzle that can be manually rotated by a user to selectively adjust the angular direction of the water discharged by the pump to create a desired circulating current pattern within the pool that will effectively circulate more of the pool water and any floating debris therein toward the inlet of the skimmer.

Abstract: A pole-clamping system including an upper-tubular-body, a lower-tubular-body, a locking-mechanism, an upper-foot, a lower-foot, and a pole-hook-mechanism. The pole-clamp system constructed with a net-positive-buoyancy such that the pole-clamp system floats in water. The pole-clamp system structured and arranged to be removably and adjustably insertable within a skimmer-inlet of a pool to hold a pool-accessory via the pole of the pool-accessory. The upper-tubular-circumference of the upper-tubular-body may be smaller in dimension than the lower-tubular-circumference of the lower-tubular-body such that the upper-tubular-body may be slideably insertable within the lower-tubular-body to allow for a variable-length of the pole-clamp system. The locking-mechanism selectively and securely locks the upper-tubular-body within the lower-tubular-body to maintain the variable-length of the pole-clamp system during use with the pole-hook-mechanism.

Abstract: A swimming pool or spa filtration system debris guard for preventing debris on the water surface from entering the opening of the filtration system. The debris guard having a screen and a detachable net assembly positioned substantially perpendicularly to the screen for collection of debris, with a spring activated post to secure the screen within or in front of a swimming pool skimmer opening.

Abstract: An improved pool skimming net apparatus has a net member including a frame and a net held by the frame. The frame has parallel elongated top and bottom frame portions, an elongated handle member pivotally attached to the top frame portion by an articulated joint member, an elongated retainer member pivotally attached to the top frame portion at a distance from the articulated joint member, a handle clamp member attached to a distal end of the retainer member and adapted to releasably hold a portion of the handle member, and a secondary handle clamp member fixedly attached to the top frame portion at a distance from the articulated joint member and adapted to releasably hold a portion of the handle member, such that when the handle member is held by the handle clamp member an acute angle is formed between the handle member and the top frame portion.

Abstract: A swimming pool net includes a mesh material and a frame that circumscribes the mesh. Fasteners are positioned in the frame to secure the mesh to the frame. A pair of mounts is formed in the frame in opposed relation to one another. A spring has opposed ends that respectively engage the opposed mounts. The spring is taut when its opposite ends engage the mounts. A middle section of the spring is manually pulled and spaced apart from the mesh by a preselected distance, followed by abrupt release of the spring, causing the middle section to travel from a first side of the frame to a second side, striking the mesh as the spring passes through the plane of the frame and ejecting items away from the mesh. The mounts may be apertures or posts or the ends of the spring may be embedded in the frame.

Abstract: A collector net having a net section adjustably connected to a bracket section, wherein the bracket section is adapted to adjustably connect to a pool frame. The net section comprising a net member, a net frame attached to the net member, and a handle removably attached to the net frame and adjustably attached to the bracket section. The bracket section has a first bracket member telescopically inserted within a second bracket member, and a threaded nut adapted to hold the first and second bracket members in a desired position and length, wherein the second bracket member includes a pair of legs separated along a length thereof a distance such that the bracket section is adapted to be placed stably upon the pool frame, and a strap member adapted to wrap around the second bracket member and the pool frame to thereby secure the bracket section to the pool frame.

Abstract: A filter basket apparatus that filters a slurry stream as the slurry stream is being pumped into a slurry tank. The filter basket apparatus includes a filter basket pivotably coupled to the tank so that the basket can be selectively inserted into an inlet in the slurry tank and extracted from the inlet and dumped to remove collected foreign material. The filter basket includes one or more portions of a lower wall that includes one set of substantially parallel grate members.

Abstract: The invention comprises a net stretched across the pool surface, either partially or completely, and a pull chord attached to either end. Each pull cord is operated by an individual. The upper edge of the net is attached to a float and the lower edge is weighted to ensure it submerges below the water surface. Two side edges of the net are incorporate a spreader bar to create separation between the top and bottom of the net to create maintain an opening to captures water surface debris.

Abstract: An improved pool skimmer basket assembly with skimmer vent tower adapter for mounting a skimmer vent tower on a pool skimmer basket allows for the existing design of a skimmer vent tower to be retrofitted with any pool skimmer basket and/or any pool skimmer. The adapter is reversibly secured between any pool skimmer basket available on the market and the skimmer vent tower without requiring modifications to either part. Applicant's assembly utilizes the substantially centrally positioned skimmer vent tower of an existing design to provide a means by which water is vented through the basket, even when the strainer orifices are clogged. When the user requires a different size of basket and/or a new basket, he can easily remove the adapter attached to the inner bottom portion of the basket and place it on another basket without forgoing the use of the skimmer vent tower altogether.

Abstract: A pool skimmer protector comprising a frame positioned in front of a pool skimmer, where the frame includes a top edge and a bottom edge; a screen attached to the top edge, where the screen rests flush against the frame; and a handle attached to a bottom edge of the screen, where the handle lifts the screen away from the pool skimmer to remove any debris collected on the screen.

Abstract: A device for skimming a pool surface to collect floating debris includes an elongate handle, a hollow body, and a spool on which an elongate continuous length of webbing is wound in a spiral configuration. The spool is housed within the body and the webbing is extendable from the spool through a slot formed in the body and is retractable onto the spool through the slot via spool rotation. The webbing has a proximal end to which an end piece is connected. The end piece is shaped to prevent passage through the slot and has a fastening element for being secured to an edge of a pool structure for removably mounting the end piece to the structure. The handle and body are sufficiently portable and lightweight to enable carrying by hand and ready removability of the entire device from the pool when not in use.

Abstract: The invention comprises a net stretched across the pool surface, either partially or completely, and either end attached to two pull chords. Each pull cord is operated by an individual. The upper edge of the net is attached to a float and the lower edge is weighted to ensure it submerges below the water surface. Two side edges of the net are incorporate a spreader bar to create separation between the top and bottom of the net to create maintain an opening to captures water surface debris.

Abstract: Dosing chambers, for use with pressurized water filters of the type used with ponds, require isolation before accessing to prevent water egress. The invention comprises a chamber in which dosing substances may be placed, a water inlet and a water outlet, a lid for sealingly closing the chamber, a valve for closing the water inlet and an interlock means for operating the valve to close the water inlet as the lid is removed, so that when dosing substances are placed into the chamber pressurized water is prevented from issuing through the inlet.

Abstract: A removable skimmer net assembly that securely sits within the mouth of any conventional pool skimmer to passively collect floating debris from the surface of the water. The skimmer net assembly includes a removable pool net and a skimmer mount having a telescoping column and a T-shaped net orientation connector. The telescoping column secures the mount within the mouth of the pool skimmer in either a vertical or horizontal orientation. The net orientation connector allows the removable net to be properly positioned within the pool regardless of the orientation of the telescoping column or the style of skimmer. The removable pool net is connected to the skimmer mount by a dove-tail joint that allows the net to be easily disconnected from the mount for cleaning or when the pool is in use.

Abstract: The skimmer has a conveyor belt which travels in ascending and descending paths. The lower portion of the belt is adapted to be immersed in the water in a swimming pool for skimming debris floating on the surface of the water. The debris is carried upward by the belt and separates from the belt at its upper end. Any debris which does not separate from the belt is removed by a brush which contacts the belt as it travels in the descending path. The belt has perforations through which water passes. One or more solar panels activate, in hole or in part, the operation of the conveyor belt. The solar panels can be aimed at the sum whether it is high or low in the sky and once aimed, move at a rate which equals the observed rate of movement of the sun as it crosses the sky from morning to evening such that the solar panels continuously face the sun during daylight.

Abstract: Provided is a debris guard disposable in a pool to prevent debris floating on the surface of the water from entering the pool skimmer. The debris guard forms a barrier around the skimmer opening at the water surface to keep debris out of the skimmer to allow water to circulate through the skimmer and the water filter. In this regard, the debris guard does not significantly reduce or inhibit the flow rate of water flowing through the pool filtration system.

Abstract: An assembly and method for capturing debris before it enters a skimmer mechanism in a pool are described, herein. A basket filter assembly is comprised of a frame assembly, which is constructed of water- and rust-proof material that has a mesh material placed around and attached to it. The basket filter assembly is then attached to a U-shaped arm, by which it is lowered into position over the skimmer mechanism. The other end of the arm is then attached to a weighted stand such that it holds the assembly in place.

Abstract: A system and method for automatically removing debris from a surface of a pool. The apparatus for cleaning debris from a pool surface includes a support and a conveyor belt supported by the support. The conveyor belt is inclined and includes upper and lower ends. The conveyor belt is driven from the lower end to the upper end. A diverter is used for diverting debris from the pool surface to the lower end of the conveyor belt. The diverter is connected at the lower end of the support and configured to be positioned outside a skimmer opening of a pool. The apparatus is positioned at the skimmer opening to receive floating debris prior to entering the skimmer opening. The conveyor belt moves the floating debris to the upper end of the conveyor belt. The debris is then deposited into a receptacle.

Abstract: A pool skimmer inlet is sized and shaped to replace a standard pool skimmer plate. The skimmer inlet includes a replacement plate adapted to replace the standard filter plate and a body attached to the replacement plate. The body is formed with at least one cavity housing a sensor for monitoring pool conditions and an electronic sensor monitoring said sensor and generating appropriate electronic signals. Indicators may be mounted on the body together with one or more meshes that prefilter the water before it flows to a main filter.

Abstract: The present invention is a stationary pool skimming apparatus that uses the flow of water in a pool to collect free flowing debris from the water in the pool. In one embodiment, a pool skimming apparatus for collecting debris from water in a pool includes a frame having a net attached thereto. A first end of the frame includes a compression mechanism. The compression mechanism is adapted for being connected to a skimmer port of the pool such that the frame and net extend into the pool in a manner enabling the net of the pool skimming apparatus to collect debris from the water in the pool. The compression mechanism operates in either of an inverted position and a non-inverted position.

Abstract: A pool net mounting device is disclosed. The mounting device includes a pool net holding portion having a hollow cylindrical tube adapted to receive and secure a pool net in a plurality of angular orientations. The pool net mounting device also includes a mounting portion adapted to be removably attached to a cylindrical object such as a pool ladder rail. The net holding portion and the mounting portion are removably attached to each other in a variety of angular positions so that a wide range of configurations is achieved for orienting a pool debris net at a desired angular orientation and height. The net holding portion includes a number of apertures and slots therein for receiving a spring loaded pin, a common feature of pool nets. Alternative pool net attachment features are also disclosed.

Abstract: The skimmer has a conveyor belt which travels in ascending and descending paths. The lower portion of the belt is adapted to be immersed in the water in a swimming pool for skimming debris floating on the surface of the water. The debris is carried upward by the belt and separates from the belt at its upper end. Any debris which does not separate from the belt is removed by a brush which contacts the belt as it travels in the descending path. The belt has perforations through which water passes. One or more solar panels activate, in hole or in part, the operation of the conveyor belt. The solar panels can be aimed at the sum whether it is high or low in the sky and once aimed, move at a rate which equals the observed rate of movement of the sun as it crosses the sky from morning to evening such that the solar panels continuously face the sun during daylight.

Abstract: The invention relates to a method for biological treatment of water in swimming pools. The method requires neither chlorine nor other toxic chemicals in the pool water, since near-surface pool water is mechanically purified in a first water circuit and suspended matter situated in the pool water is first retained in a biological filter (9) in a second water circuit and organic matter contained in said suspended matter, such as algae or detritus, and also organic matter dissolved in the pool water, are mineralized by the action of bacteria, wherein the phosphorus contained in the organic matter is catabolyzed to form dissolved reactive phosphate that is then bound by adsorption in an anion exchanger (14).

Abstract: An assembly and method for capturing debris before it enters a skimmer mechanism in a pool are described, herein. A basket filter assembly is comprised of a frame assembly, which is constructed of water- and rust-proof material that has a mesh material placed around and attached to it. The basket filter assembly is then attached to a U-shaped arm, by which it is lowered into position over the skimmer mechanism. The other end of the arm is then attached to a weighted stand such that it holds the assembly in place.

Abstract: A device for skimming the surface of the water in a swimming pool or the like, in a single, generally sweeping motion and thereby collecting most all of the debris floating on or near the surface of the pool into one spot where it may be lifted and removed from the pool. The system incorporates a long rectangular section of netting that is wound onto a cylindrical reel and contained on a vertically oriented cylindrical axel. The cylindrical axel and reel are mounted by brackets or weights to the side of the pool. The cylindrically wound netting may be drawn out from the fixed cylinder mounted on the side of the pool through a slot in a pivoting debris deflector positioned on the same cylindrical axel. One end of the long rectangular section of netting may be fixed to a second smaller cylinder or pipe which serves to keep the net from being drawn completely into the enclosure comprising the cylindrical reel.

Abstract: A pre-filter assembly is for use in a skimmer of a residential swimming pool. The pre-filter comprises a skimmer collar and a cleanable filter basket. The skimmer collar is for placement on a rim of a below water surface opening within the skimmer. The cleanable filter basket is made of a water porous material. The filter basket is permanently secured at an edge defining the open-top to the skimmer collar. The filter basket further has a chevron shape for ease of use. Swimming water debris is trapped in the filter basket as pool water is pulled through the filter basket on its way to a primary filter apparatus. The filter basket is easily cleaned as needed and replaced.

Abstract: Embodiments of the present invention provide new design innovations that significantly improve the performance of the currently-available pool accessories. Each element of the system has unique features that provide benefits in use, although is some instances, maximum benefit is provided when all the elements are used as one cohesive system.

Abstract: Disclosed herein is an improved pool cleaning vehicle. The vehicle includes a housing, a bottom frame and a filter bag between the housing the bottom frame and attached to the bottom frame. The vehicle includes an intake and an outlet, both of which are in communication with the filter bag. The housing is releaseably attached to the bottom frame and the filter bag releaseably connected to the bottom frame. A V-shaped self locking clip with normally outwardly extending legs serves as the attachment member and when urged toward each other with the housing in the locked position allows for easy release. At least one of the intake or outlet includes a filter member. The filter member includes a means for attachment and a particulate filter member for filtering particulates from the water. The filter member is attached to the vehicle at or proximate to the perimeter of the intake or outlet.

Abstract: A device for skimming the surface of the water in a swimming pool or the like, in a single, generally sweeping motion and thereby collecting most all of the debris floating on or near the surface of the pool into one spot where it may be lifted and removed from the pool. The system incorporates a long rectangular section of netting that is wound onto a cylindrical reel and contained on a vertically oriented cylindrical axel. The cylindrical axel and reel are mounted by brackets or weights to the side of the pool. The cylindrically wound netting may be drawn out from the fixed cylinder mounted on the side of the pool through a slot in a pivoting debris deflector positioned on the same cylindrical axel. One end of the long rectangular section of netting may be fixed to a second smaller cylinder or pipe which serves to keep the net from being drawn completely into the enclosure comprising the cylindrical reel.

Abstract: The present invention is directed to a pivoting swimming pool tool device including a pivot mechanism, a frame member, and a net to allow a person to remove large quantities of surface debris from a swimming pool.

Abstract: A portable skimmer, motor and pump protector for a swimming pool or a hot tub having a sidewall, an adjoining top deck, a skimmer in the sidewall, in fluid communication with the pool pump and motor. The protector includes a frame having a top portion resting against the top deck, an upright portion resting against the sidewall, wherein the frame surrounds the skimmer. A handle extends from the top frame portion. Removable netting surrounds the frame to permit passage of water but prevent passage of leaves and other debris into the skimmer.

Abstract: The present invention is a stationary pool skimming apparatus that uses the flow of water in a pool to collect free flowing debris from the water in the pool. In one embodiment, a pool skimming apparatus for collecting debris from water in a pool includes a frame having a net attached thereto. A first end of the frame includes a compression mechanism. The compression mechanism is adapted for being connected to a skimmer port of the pool such that the frame and net extend into the pool in a manner enabling the net of the pool skimming apparatus to collect debris from the water in the pool. The compression mechanism operates in either of an inverted position and a non-inverted position.

Abstract: A skimming screen for a swimming pool filtration system is disclosed. The skimming according to the invention includes a support frame having a central opening and a mesh fabric or screen material attached to the support frame so as to extend over substantially the entire area of the central opening. The support frame and the screen material are shaped and dimensioned to cover the intake orifice of the suction line when a strainer basket is removed for cleaning. A method of using the skimming screen to facilitate cleaning of the strainer basket is also disclosed.

Abstract: A device for gathering debris floating at or near the surface of a swimming pool, the device having a spray head assembly releasably installable in front of an in-wall skimmer on a side of the swimming pool, the spray head assembly comprising a connector through which a pressurized flow of water is receivable from an external source; an inlet duct assembly pivotably connected to the spray head assembly; and an elongate debris collection bag releasably attachable to the inlet duct assembly, the collection bag extending into the pool at or near the water surface and substantially perpendicular to that portion of the pool wall adjacent to the spray head assembly, and having at least one water outlet disposed distally from the inlet duct assembly.

Abstract: A leaf and debris catcher for removing leaves and/or debris from a body of water. The leaf and debris catcher includes a leaf and debris collection member having top, bottom, front, rear, first, and second sides, the bottom side defining an interior side. A female vertical stem extends from a central location on the interior side of the bottom side, the stem defining a bore having opposite open ends. At least one inward opening front flap is located at the front side of the leaf and debris collection member. A plurality of debris and leaf guides converge and extend from the at least one front flap. The first and second sides of the leaf and debris collection member define a plurality of male tongues, and the top and bottom sides define complementary female slots, which are aligned such that the tongues snap-fit into the complementary female slots.

Abstract: A skimmer guard for a pool skimmer is provided. The skimmer is attached to either the inner or outer periphery of the faceplate via cooperating male/female connectors on the skimmer guard and inner or outer periphery of the faceplate at the opening for fluid passage from the pool to the skimmer housing and filter assembly. The skimmer guard includes cut out portions sized such that leaves, bugs and other pool debris can enter the skimmer housing but block larger amphibious objects, such as toys, floating candles, chlorine dispensers, etc., from entering the skimmer housing and obstructing normal skimming operation. The cut out portions may be diamond shaped. The skimmer guard may include a ring tab or other member extending from the outer periphery thereof for ease of removal of the guard.

Abstract: A leaf and debris catcher for removing leaves and/or debris from a body of water. In one aspect of the invention, the leaf and debris catcher includes a base, a first vertical support member, a horizontal support member, a second vertical support member, and a leaf and debris collection member. In another aspect of the invention, a method is provided for removing leaves from a body of water. The method includes the steps of: providing a leaf and debris collection member; positioning the leaf and debris collection member in a body of water such that the leaf and debris collection member is located in a flow of water; collecting leaves in the leaf and debris collection member; removing the leaf and debris collection member from the flow of water; and removing leaves from the leaf and debris collection member.

Abstract: A pool skimmer apparatus and method for maintaining continued flow of pool water through a pool skimmer intake opening and a pool skimmer basket when debris clogs the skimmer intake opening and/or the skimmer basket. A conduit device extends from an outer end beneath the pool water surface adjacent the skimmer intake opening and extends adjacent to, connects to or extends through the skimmer basket, preferably to a lower end adjacent to the bottom or side of the skimmer basket. The conduit device may be removably connected to the skimmer basket. In another embodiment, the conduit device may comprise a first conduit section connected to the skimmer basket and one or more additional conduit sections removably connected to the first conduit section.

Abstract: A skimmer for a pool includes a skimmer guard that is installed by friction only, and without the use of separate fasteners. The skimmer guard includes a perforated plate which acts as a strainer, preventing debris from the pool from entering the skimmer. The skimmer guard is inserted into gap between heads of a double-headed screw which is permanently screwed into the pool wall. The skimmer guard can be removed, and re-installed, simply by sliding the skimmer guard out of, or into, the gap. The skimmer guard can therefore be removed and re-installed without the use of separate fasteners, and without the use of tools. The skimmer guard can be removed and replaced with a non-perforated cover, at the end of the swimming season.

Abstract: A swimming pool strainer formed of a substantially U-shaped housing including an end panel with a pair of spaced side panels perpendicularly extending therefrom. Positioned between the side panels are a plurality of spacer dowels that enhance the structural integrity of the housing. An upper screen and a lower screen are secured to the upper and lower surfaces of the housing respectively. Free ends of the side panels are inserted into a swimming pool skimmer until a free edge of each screen abuts the swimming pool wall. Accordingly, the screens trap leaves and other large debris that would otherwise enter and damage a circulating filtering system.

Abstract: This invention relates to a novel floating debris removing skimmer for swimming pool and other similar bodies of water. The skimmer comprises a generally rectangular enclosure which comprises an inlet opening coupled to a flow control door or flapper. The skimmer further comprises a conveyor assembly which comprises a pair of cylinders around which is disposed a conveyor belt. The first cylinder is located at the top generally on the side opposing the inlet opening. The second cylinder is located near the inlet opening and preferably under the water level when the skimmer is installed. One of the cylinders is motorized so that when a debris, carried by the water through the inlet opening, is pushed against the conveyor belt, it is carried by the belt toward the top of the enclosure and ultimately outside the enclosure. The conveyor belt does not extend above the skimmer.

Abstract: A skimmer for a pool includes a skimmer guard that is installed by friction only, and without the use of separate fasteners. In one embodiment, the skimmer guard includes a perforated portion surrounded by a peripheral lip, the lip being shaped for engagement with a flange formed on a frame mounted to a skimmer opening. The skimmer guard is inserted onto the flange, and thus prevents debris from entering the skimmer. In another embodiment, the skimmer guard includes a perforated face plate and a plug, the plug being sized for frictional engagement with a skimmer opening. In all cases, the skimmer guard is inserted without the use of separate fasteners, and without the use of tools. The skimmer guard can be removed and replaced with a non-perforated version, at the end of the swimming season.

Abstract: Systems and methods to filter water. A filtration device for a floodable compartment having a water inlet and a water outlet can include a removable filter for being positioned at or near the water outlet of the compartment, a strainer having a first end and a second end, wherein the first end is configured to at least partially surround the filter near the water outlet, and wherein the second end is configured to contact the compartment at least partially around the filter at a point in the compartment between the water inlet and the water outlet. The filtration device can be implemented as a water filtration system for a pool or spa, where the water inlet can be from the pool or spa, and the water outlet can be to a pump.