Abstract: A floor waste (10) including a filter basket (16) having a magnet (18). The magnet (18) attracts a movable valve member (27) upwardly from a seat (22) to allow liquid to pass through the seat (22). When the basket (15) is removed the movable valve member (27) closes the seat (22). In one embodiment the valve member (27) includes a valve disk 29 that prevents the flow of liquid through the seat (22) when engaged therewith, while in another embodiment the disk (29) has a series of passages (31) that permits the flow of liquid through the seat when the disk (29) is engaged with the seat (22).

Abstract: A drinking water pitcher is provided including an upper reservoir and a lower reservoir, and preferably a filter or filter housing. The upper and lower reservoirs are removably mated with one another. The interface between the upper and lower reservoirs restricts or prevents water flow from the upper reservoir to the lower reservoir unless the reservoirs are properly mated/seated together, such as by a water restriction means in the upper reservoir. In another aspect, a drinking water purification system is provided including a base unit and a drinking water pitcher. The drinking water pitcher includes an upper reservoir, a lower reservoir and preferably a filter or a filter housing. The base unit can include a sanitization means. The upper and lower reservoirs are removably mated with one another, and the upper reservoir can be removably mated with the base unit. A method of purifying water is also described.

Abstract: A separation module and method are disclosed for processing a liquid sample and providing high conversion by operating a single-pass tangential-flow process without a recirculation loop. In one embodiment, the separation module includes three reservoirs and has at least one long, thin channel with a large ratio of channel membrane area to: channel void volume; volume of a sample feed reservoir; and volume of the feed sample. In another embodiment, the separation module includes two reservoirs and a hydrophobic vent. The single-pass process provides high conversion while operating with relatively low pressure sources.

Abstract: An apparatus includes: a commercial kitchen sink having a drain; a trough below the sink for transporting effluent positioned such that there is an air gap between it and the drain; and a plurality of selectively positionable markers on the trough for indicating positions for strainers to collect solids in effluent discharging form the drain. A method of removing solids from an effluent flow from a kitchen sink having a drain hole is also disclosed.

Abstract: One embodiment is a replaceable filter element including a filter media having a first end, a second end and an interior cavity, and an endplate coupled to the first end of the filter media, the endplate including a projection extending from the endplate, the projection including a first portion, a flange and a second portion, the first portion extending from the endplate to the flange, the second portion extending from the flange. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.

Abstract: An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright perforated drain pipe that is on the interior of the basin and which opens to an outlet. The basin catches debris and silt but permits water to drain out. The top of the drainpipe is left open for overflow purposes.

Abstract: A waste cement collection apparatus utilizing a porous disposable bulk bag for collecting waste cement removed as a result of wash-out of the discharge chute of a cement mixer truck after a cement delivery, the apparatus further having a method for filtering, collecting, and holding cement contaminated waste fluids for recovery and disposal. A service process is also described for the provision and recovery of the collection apparatus and the transport and disposition of the waste materials.

Abstract: A new use for a circular, solids retention screen for removable use with a variety of sizes of circular drinking vessels to allow for the separation of liquid from solids contained within the vessel. Typical embodiments for the vessel size can be a drinking glass to allow the user to drink without disruption from the contained ice, whether crushed or cubes. For this embodiment, the invention relies upon a retention screen comprising a continuous, circular, flexible, elastomeric ring. The ring is constructed of an annular base portion with a continuous tapered portion extending radially outwardly from the base portion. Finally, a central, generally flat, liquid passing screen portion is secured from the base portion.

Abstract: A beverage cup assembly, including: a cup; a lid at a top of the cup; a wire mesh filter assembly adjacent to the lid; and a receptacle receivable around the filter assembly comprising a one-way valve permitting fluid to flow from the receptacle into the cup.

Abstract: The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable water at low flow rates typically found in gravity feed filtration systems and at water pressures of less than 1 psig. The cartridge of the invention purifies non-potable water of bacteria, viruses, and some protozons without the need for additional power sources or risk to the consumer for exposure to chemicals that have been identified to have harmful, long-term effects. The cartridge described herein enables a gravity fed water purification system by combining the cartridge with conventional filters, such as porous diatomaceous earthen ceramic water filters or activated carbon filters packed either with granular activated carbon or block.

Abstract: A disposable drain strainer is removably received within a drain opening having an adjacent drain rim substrate. The strainer has a strainer portion, a ring portion, and a seal release mechanism. Top and bottom surfaces of the ring portion are adapted to sealingly engage the drain rim substrate. The seal release mechanism is integral with the ring portion, and facilitates release of the seal so that the strainer can be readily be removed from the sink and discarded. In one aspect, the seal release mechanism comprises a tab. In another aspect, the seal release mechanism comprises a press-release component, wherein the ring portion has arced ring walls having convex and concave configurations. During sealing engagement with the drain rim, the ring portion is in the convex configuration. Pressure applied to the ring portion causes it to move to the concave configuration.

Abstract: The present invention provides a fat separator device having a container with a spout portion and a cover portion releasably attached to the container. The cover portion including a surface having at least one aperture to allow for passage of a liquid through the cover portion and a plug portion extending down from the surface, the plug portion being operable to releasably cover the spout portion of the container.

Abstract: The present invention provides a colander serving bowl having an outer shell with an open bottom, a movable sealing plate with upwardly extending support arms that ride on inclined surfaces on the rim of the outer shell, and a perforated inner shell supported on the sealing place. The sealing plate is movable between a lowered sealing position where the plate seals the open bottom of the outer shell, and a raised draining position where the plate is spaced above the open bottom to allow draining through the open bottom. As the support arms are moved, the support surfaces of the arms move from the lower end to the upper end of the inclined surfaces of the rim, thus moving the sealing plate from the sealing position to the draining position.

Abstract: A grate cover in combination with a swimming sump being installed in a recess in the top of the sump. The grate cover having a multiple of interstices or openings there through. The size of the interstices being held to a minimum so that fingers of a human cannot be sucked into the openings. The top surface of the grate cover has a curvature thereon while the bottom surface is flat. This way, the forceful suction within the sump cannot obtain enough force to suction the skin of a human against the grate cover to cause any injuries.

Abstract: An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright perforated drain pipe that is on the interior of the basin and which opens to an outlet. The basin catches debris and silt but permits water to drain out. The top of the drainpipe is left open for overflow purposes.

Abstract: A grease receiving and holding system includes a sink that has a peripheral flange having an opening extending therethrough. A housing is mounted below a plane of the peripheral flange. The housing has a bottom wall, a top wall and a peripheral wall extending between and is attached to the top and bottom walls. A pipe has a first end and a second end. The first end is fluidly coupled to the housing. A funnel is fluidly attached to the second end of the pipe. The funnel has an upper edge that has a diameter that is substantially equal to a diameter of the opening. A peripheral lip is attached to and extends around the upper edge. The peripheral lip is abuttable against the flange when the funnel is positioned in the opening. Grease may be poured down the funnel and into the housing.

Abstract: A gravity fed carbon block water filter includes activated carbon particles; a binder material interspersed with the activated carbon particles; and a lead scavenger coupled to at least one of the activated carbon particles and binder material, the lead scavenger being for removing lead from water, where a lead concentration in a final liter of effluent water filtered by the filter is less than about 10 ?g/liter after about 151 liters (40 gallons) of source water filtration, the source water having a pH of 8.5 and containing 135-165 parts per billion total lead with 30-60 parts per billion thereof being colloidal lead greater than 0.1 ?m in diameter, and where the water has an average flow rate of at least 0.1 liter per minute through the filter with a head pressure of between approximately 0.1 and 1.0 psi.

Abstract: A cooking oil container has a filter cup retained at the upper end thereof. The filter cup retains a planar circular filter at the lower end and a seal between the filter holder and the bottom of the filter cup prevents oil from overflowing around the circumference of the filter holder to avoid the filter. The filter cup is spaced from the inner walls of the container to allow air to escape from the bottom of the container. The top of the container has a grip ring and the inverted top is useable as a drip tray for the filter cup while oil is being poured out of the container.

Abstract: A barrier is provided to preclude debris from passing into a rain gutter. The barrier includes a screen supported upon a channel. The channel includes a tab positionable between a roof and shingles upon the roof, and with a lip opposite the tab resting upon a portion of a gutter opposite the roof. The channel includes a recess between the tab and the lip. The recess includes a floor defining a lower plane of the channel. Ribs extend from the floor up to an upper plane of the channel in which the screen is supported. The ribs have sufficient height to remain in contact with the screen. Water is drawn through the screen and along the ribs down to the floor of the recess. Apertures in the floor allow the water to fall down through the channel and into the gutter, while debris is precluded from passing through the screen.

Abstract: A temporary trap having baskets and optionally filters in the baskets used in conjunction with inlets for sewer systems to keep debris, oils or chemicals from being washed into the sewer during construction of roads and sewers. The trap is a box, typically rectangular, square or round, with baskets having a plurality of holes therein for allowing water to pass therethrough while trapping debris therein. The trap is inserted into a inlet by lifting the grate off the inlet frame, inserting the trap and then replacing the grating. After a rain the baskets and filters may be cleaned out and reused or replaced. When the construction project is finished the grate is lifted off the inlet frame and the trap removed. The trap has an overflow opening in case the trap becomes clogged.

Abstract: The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter including a dispensing unit locking mechanism that is adapted to secure the adapter to the dispensing unit, and a filter connected to the adapter, the filter being adapted to filter impurities from the water that passes through the adapter from the container.

Abstract: The invention relates to a grate for closing a drain and similar. The inventive grate comprises an internal elastically deformable grid (2) provided with a locking pin (8) arranged on the free end thereof. Said locking pin is used for connecting the deformable grid to a frame (7) and is arranged under the external solid edge (9) of the grid in such a way that it is invisible from outside when it is incorporated into the frame (7). Said invention is used for a road network.

Abstract: A catch basin filter having apertures and holding a silt barrier material may be securely attached to a drop inlet grate. The catch basin filter has apertures for preventing debris from entering the drop inlet and clogging sewers. A silt barrier material wrapped around the catch basin filter housing provides a study and stable platform for holding the filter in place around the drop inlet such that silt will not be able to enter the sewer and clog it up. The catch basin filter is quickly and easily attached to and removed from the drop inlet by a rod having a hook for extending through the grate bars and then turning the rod to engage the bars on the drop inlet grate to hold the catch basin filter in place. The catch basin filter is durable and reusable and the silt filter material may be easily replaced.

Abstract: Gutter protector (10) comprises a profiled sheet (28) that extends over a gutter invert (24A) above a gutter floor (24) for collecting water and debris that would otherwise directly collect in the gutter invert (24A). The gutter protector (10) includes a spacer (30) for spacing adjacent profiled sheets (28) by a first gap (32) that allows water to the substantial exclusion of leaves and debris to fall through the gap (32) into the underlying gutter invert (24A). The profiled sheet (28) includes a planer liquid impervious portion (34) having an outer edge (36) adjacent an outer wall (22) of gutter (12) and an inner edge (38) disposed to lie adjacent or in substantial alignment with a lower edge (40) of a roof covering (18). A channel (48) is disposed adjacent to and extends along the inner edge (38) of planar portion (34). Channel (48) has a base (50) below the planar portion and a first wall (52) that extends between the base (50) and inner edge (38).

Abstract: The invention provides a unitary device for converting an open-top container into a greywater recycling apparatus comprising a vessel lid having a submersible float switch-operated pump depending therefrom by extension means sized to enable the positioning of the pump adjacent the inner floor of a container to be covered by the lid, and further having an inlet pipe in fluid connection with a first primary filter means for removing coarse particles and fibers from greywater fed thereto, the first primary filter having an outlet feeding into a second fine filtering means, the filtering means being attached to the underside of the lid, the arrangement being such that after passing through the primary filter means and the fine filtering means, the filtered water falls under the influence of gravity to the bottom of the container to be pumped by the pump through an outlet provided in the lid.

Abstract: A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower portion of the upper housing (24) fitting within an open top of the lower housing (32) and an enclosed bottom of the lower housing (32) fitting within an upwardly facing opening of the base (36). A filtration element (26) having a first portion disposed with the upper housing (24) and a second portion from which fluid is discharged disposed within the lower housing (32), wherein liquid flows from the upper housing (24) through the filtration element (26) and into the lower housing (32). The upper and lower housings (24, 32) being formed of transparent materials, and the lower housing (32) including a light source (38) for illuminating at least a portion of the lower housing (32).

Abstract: A method of forming a multiwell filtration plate comprising of first gluing a filter to a major surface of a multiwell plate so as to close off one entrance to the wells of the plate. The filter is then heat sealed so as to collapse the pores of the filter in the area between the wells so as to prevent lateral migration of fluid from one well to another.

Abstract: The present invention provides a gutter screen attachment and a ridged filter assembly for minimizing water film runoff and debris collection adjacent a screened gutter. The screen attachment comprises a superior breaker edge, an inferior breaker edge, and a screen-receiving region. The superior breaker edge extends upwardly opposite the inferior breaker edge and is designed to break the water tension of a water film formed upon the gutter screen. The ridged filter assembly comprises a filter support grid, a filter screen and a ridge-forming member sandwiched between the filter support grid and the filter screen. The filter screen is form fit to the underlying structures and the ridge-forming member thus forms a water tension straining ridge upon the filter screen. The superior breaker edge and the filter screen ridge function to allow water to permeate through the gutter screen.

Abstract: An elongated strip of extruded plastic or roll formed metal material includes a rear securing fifth plane that inserts beneath a roofing membrane of a building structure. The rear plane integrally connects to a forward extending perforated fourth plane by means of a u shaped channel, one of two u shaped channels, which additionally serve to receive and secure a lateral edge of a filtration membrane. The perforated fourth plane contains intrinsic and intersecting vertical water directing planes that extend above and beneath the surface of the fourth plane and which serve to support and contact an overlying insertable filtration membrane. The fourth plane connects to a forward extending third plane by means of a u shaped channel that serves to receive and secure a lateral edge of a filtration membrane. The third plane connects to a second plane by means of a downward extending u shaped channel.

Abstract: A drain water filter assembly for filtering debris laden liquids. The filter assembly has an apertured filter holder constructed and arranged to be placed into a basin, tub or sink. A removable and disposable filter is provided for placement within and securement to the filter holder structure. The filter holder has an elevated bottom portion which permits debris to be filtered and the filtered drain water to be dispensed through the apertures in the elevated portions of the filter holder bottom.

Abstract: A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of the bag. The bag ring is then received and retained in a seat ring in the housing. The exhaust as stream from the engine is directed through an opening in the end cap and through the wound mat and bag for removal of hydrocarbons and contaminants.

Abstract: A storm drain filter device is provided including a preferably flexible, preferably frameless filter bag designed to be suspended in a drain inlet, and a connector assembly, connected to an open end of the filter bag. The connector assembly may include straps that are sized and structured to allow the flexible filter bag to be directly connected or bound to a removable grate of a storm drain.

Abstract: An oil filtering and storage apparatus comprising housing containing a cooking oil storage receptacle therein with a hingedly attached door providing access to said storage receptacle with the receptacle serving as containment of oil that has been filtered for reuse or unfiltered for disposal.

Abstract: A temporary trap having baskets and optionally filters in the baskets used in conjunction with curb inlets for sewer systems to keep debris from being washed into the sewer during construction of roads and sewers. The trap is a box, typically rectangular, square or round, with baskets having a plurality of holes therein for allowing water to pass therethrough while trapping debris therein. The trap is inserted into a curb inlet by lifting the grate off the curb inlet frame, inserting the trap and then replacing the grating. After a rain the baskets and filters may be cleaned out and reused. Optionally, when the construction project is finished the grate is lifted off the curb inlet frame and the trap removed. An optional cloth filter for insertion into the trap filters finer debris from entering the sewer system. The trap has an overflow opening in case the trap becomes clogged.

Abstract: A filter pit is disclosed. The pit has an inlet and an outlet adjacent a base of the pit. A primary, a secondary and a tertiary filter are located between the inlet and outlet and the tertiary filter is supported above the base and is able to dry out when the flow of water through the pit ceases.

Abstract: A filtration system is provided which generally includes a filter assembly and a connector assembly coupled to the filter assembly and structured to position the filter assembly in a drain, for example a storm drain. The connector assembly may include adjustable connectors in order to accommodate various flow conditions. The system may further include a diversion element designed to effectively direct an inflow of water into the filter assembly and a removable contaminant removal pillow.

Abstract: A device and method for removal of liquid from the downstream side of a membrane or a well, such as a well of a multiwell plate. More specifically, the present invention is directed to a wicking structure, which channels droplets of liquid away from a membrane in communication with a plurality of wells. In the preferred embodiment, the wicking structure is placed in a manifold.

Abstract: A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water runoff silt and debris attendant such construction. The curb-and-grate inlet filter includes a body having a first and a second portion formed of interconnected coils. The filter also includes a filter medium that may enclose the body. The filter medium filters silt and debris from water passing through the filter and into the curb-and-grate inlet.

Abstract: A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of the bag. The bag ring is then received and retained in a seat ring in the housing. The exhaust gas stream from the engine is directed through an opening in the end cap and through the wound mat and bag for removal of hydrocarbons and contaminants.

Abstract: A protector for the inlet into a sewer system includes a straight or annular, porous tubular casing for placing on or around the periphery of a sewer grate; a skirt extending inwardly or outwardly from the bottom of the casing for overlapping the side edges of a sewer opening so the grate retains the protector in the use position; and a filler in the casing for maintaining the casing in an expanded condition, at least one of the casing, the skirt and the filler being permeable to water and impermeable to contaminants, whereby water can flow into the system while contaminants are blocked.

Abstract: The present invention provides a gutter screen attachment for minimizing water film runoff and debris collection adjacent a screened gutter. The screen attachment comprises a superior breaker edge, an inferior breaker edge, and a screen-receiving region. The screen-receiving region comprises an edge-receiving fold that accepts the gutter-engaging edge of a gutter screen. The superior breaker edge extends upwardly opposite the inferior breaker edge and is designed to break the water tension of a water film formed upon the gutter screen. The inferior breaker edge is designed to prevent water leakage between the screen attachment and the gutter. The superior breaker edge is of minimized height so as to allow bulky debris to translate over the superior breaker edge. It is thus contemplated that the superior breaker edge functions to allow water to more properly permeate through the gutter screen.

Abstract: A drainage assembly (10) comprises a frame (11) for defining at least part of the surface boundary of a surface drainage aperture; and a grating (14) having formed therein a plurality of apertures. The grating (14) is hingedly secured to the frame (11) and is moveable, when so secured, between an operative position in which the grating (14) is contiguous with the frame (11); and an open position in which the grating (14) lies hinged away from the frame (11). The grating (14) includes protruding therefrom a pair of forks (34, 36). The frame (11) includes a pair of journal bearings (37, 38). The forks each have protruding therefrom a respective protuberance (39) that is receivable in a respective journal recess (42) formed in the journal bearings.

Abstract: A rainwater collection apparatus stores rainwater until required, and includes at least one outlet for exporting rainwater. The outlet or outlets include ball-valve assemblies and levers for opening and closing the outlets, and couplers for attachment to a garden hose, thereby providing optimal control of the export of water. An overflow port or outlet is provided as well. A drainage port at an inferior end is provided to remove sediment. To aid in the usage and distribution of the water, an internal submersible pump may be provided. The output of the pump is connected to a conventional garden hose allowing the rain water from the barrel to be used for washing of motor vehicles, watering of lawns and flowers, rinsing of driveways and the like. The pump is controlled by an ON-OFF switch located on the side of the barrel.

Abstract: A multi-component drain and/or serving tray apparatus. A perforated drain tray is provided that has an opening which accommodates a drain plug. The drain plug may be configured for draining various sized canned goods. A bottom and/or top housing member may be provided to receive drainage materials or to cover food items, etc. The apparatus in various arrangements may be used for many purposes.

Abstract: The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter including a dispensing unit locking mechanism that is adapted to secure the adapter to the dispensing unit, and a filter connected to the adapter, the filter being adapted to filter impurities from the water that passes through the adapter from the container.

Abstract: A filtering device includes a container, a cover attached on top of the container having a space communicating with an inlet opening and a chamber of the container, and a filter screen received in the container for filtering the fluid from the inlet opening to the chamber of the container. The filter screen includes an upper peripheral flange having a peripheral wall or a peripheral flap for making an excellent seal between the container and the cover. The space of the cover includes a changing volume for decreasing the flowing speed of the fluid.

Abstract: A rainwater surface drain for use in roof drains comprises a substantially funnel-shaped reservatory for water to be drained and covered with an upper strainer or grating member downstream of which an eddy preventing insert means in the form of a flat grate member is disposed at a short distance upstream of a discharge outlet on the bottom side of the reservatory which is connected with an outlet pipe.

Abstract: A cooking utensil includes an all-in-one device that incorporates a partially perforated pan, circular in shape, with a permanent and continuous circumferential holder with one or more supports that provide stability and safety during the extrusion process of the soft batter. At the same time, this cooking utensil fits easily on top of commonly used cooking vessels regardless of lip configuration or vessel diameter. This cooking utensil also includes versions for removable type holders in kit form that can be used interchangeably with several pans with different hole sizes while providing multiple support and stability over commonly used cooking vessels.

Abstract: The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the influent contacting the microbiological interception enhanced filter medium, thereby preventing loss of charge on the filter medium. The microbiological interception enhanced filter medium is most preferably comprised of fibrillated cellulose fibers, in particular, lyocell fibers. At least a portion of the surface of the at least some of the fibers have formed thereon a microbiological interception enhancing agent comprising a cationic metal complex. A filter medium of the present invention provides greater than about 4 log viral interception, and greater than about 6 log bacterial interception.

Abstract: A drain filter device includes a body formed from wire mesh having a plurality of side edge portions integral with each other and forming a substantially square shape. The body further has substantially planar top and bottom surfaces and includes a plurality of elongated support rods having opposed end portions extending along the plurality of side edge portions respectively. The device further includes a top section having a substantially cylindrical shape and connected to the body. The top section is adaptable to be positioned substantially centrally about drain and for filtering out particulate materials suspended in water entering the drain. Advantageously, the top section traps and maintains particulate materials about a perimeter of a drain and not directly above same.