Abstract: A bilge pump switch apparatus for activating and deactivating the bilge pump of the vessel in response to predetermined water levels in the bilge area comprising a housing defining a chamber therein and provided with a fluid port for receiving and discharging bilge water, a mercury tilt switch suspended within the chamber and being responsive to tilting for opening and closing a circuit including a battery, the mercury tilt switch and the bilge pump, and a float responsive to the water level in the chamber for positioning the mercury tilt switch in its normally open position and its normally closed position.

Abstract: A propeller shaft immobilizer having a substantially hollow, open ended rectangular lower base portion fixedly mounted to the floor portion of a boat. An upper support base portion is slidably mounted on the lower base portion to allow vertical movement of the upper base portion. Upper and lower engaging surfaces are movably mounted on the upper base portion and movable by hydraulic power to frictionally engage the propeller shaft to be immobilized.

Abstract: A multiblade centrifugal fan blade cleaner with means abutting the opposing surfaces of adjacent blades of the fan for cleaning the blades.

Abstract: An apparatus for protecting structures from flood waters having a channel surrounding the structure to be protected, the channel having at least in part a bottom and side walls with reinforcement means therewithin or attaching a collapsible water-impermeable sheeting which, when not in use would be stored within the channel, and when in use would be raised to an erected position around the entirety of the structure. The sheeting would be sealably anchored within the channel on its lower edge by concrete, and therefore would prevent water from coming into contact with the structure. The apparatus would also have the means for allowing air to communicate between the exterior and the interior structure and a means for covering the channel to protect the sheeting while the sheeting is stored within the channel.

Abstract: An apparatus for measuring the longitudinal distance of cable or tubing having a primary support frame, at least one guide wheel rotatably mounted between the arms of the primary support frame, a secondary support frame mounted between the arms of the primary support frame, the secondary support frame supporting at least one idler wheel for engaging the tubing to be measured between the idler wheel and side drive wheel; means for selectively imparting tension on secondary support frame for further imparting tension on the tubing to be measured between the idler wheel and the guide wheel and means for numerically registering the length of tubing travelled along the measuring wheel. The apparatus also has a support bracket means for supporting the apparatus during the use of the apparatus.

Abstract: A method for determining the erosion of a borehole or cavity by providing a source of liquid inert gas, preferably nitrogen, placing the inert gas in a storage tank, and suspending the storage tank so that one may determine the actual weight of the nitrogen as it is withdrawn from the tank in liquid state. There is further provided hydraulic means for lifting or lowering the storage tanks suspended from a weight cell as a tank is placed into use or non-use. Further, the liquid nitrogen is pumped from the storage tank with the use of a reciprocating pump, and converted into gaseous nitrogen (in the state of 100.degree. F.,) and is injected into a borehole or the like. The nitrogen gas is then allowed to flow under a certain pressure down the borehole, and due to the properties of nitrogen gas, the nitrogen interfaces at a horizontal plane as it moves down the borehole.

Abstract: An improved, hydraulically controlled, cotton harvesting apparatus comprising: cotton receiving and containing means; means for feeding cotton to a cotton boll breaking means; cotton boll breaking means comprising a roller and a brush operatively associated with said roller; cotton cleaning and ginning means comprising a plurality of cleaning saws each of said saws having a brush operatively associated therewith and on one side thereof and a rotary stripper adjacent and opposite of bottom portion of each of said saws; cotton condensing means for receiving cleaned and ginned cotton comprising a plurality of rollers and means for exhausting air therefrom; a piston horizontally mounted below the condensing means and movable between first and second positions to provide cotton to a compressing and baling means comprising an enclosure having a piston vertically mounted in the upper portion thereof and being movable from an upper to a lower position to compress and bale cotton.

Abstract: A three wheeled mobile pushing exerciser with an adjustable braking system and a chart recording mechanism, said exerciser intended for the development and analysis of an athlete's pushing power in a program of physical exercise related to dynamic sports such as football. Handle bars are slidably mounted onto the wheel assembly of the exerciser and provided with a means for measuring the pushing force applied to the handle bars when the exerciser is pushed forward. An adjustable braking system is used in conjunction with the rear wheel assembly to provide a method for varying the resistance of the exerciser to pushing movement applied to the exerciser. A drive screw, stylus, and chart are fixedly attached to the exerciser to provide for measurement of the distance travelled by the pushing exerciser. A stopwatch is fixedly mounted on the exerciser and is activated and deactivated by the forward and rearward sliding of the handle bars so that the time that the exerciser is in motion may also be recorded.

Abstract: A secondary cooling system for cooling the packing case of a gas compressor which is engine driven, whereby the engine and gas compressor would continue to be cooled by the primary cooling system, and the packing case would be cooled by a secondary cooling system which would provide for a system for circulating coolant through the packing case of a gas compressor in order to provide transfer of heat from the packing case into the coolant for maintaining the final phase at the desired temperature and recirculating the coolant back into the secondary cooling system into a chiller means providing temperature of the coolant to the desired degree for cooling the packing case, which is reduceably less in the engine itself. There is further provided a means for monitoring the temperatures, pressures, flow, etc. within the closed secondary cooling system, and a master control board for monitoring the various devices and receiving and reading out the information to a controller.

Abstract: A wire line cutter that is slidably engaged upon a wire line tool. The apparatus includes a blade that will, upon impact with the wire line tool, slide from a generally vertical orientation to a generally horizontal orientation.

Abstract: A fluid pressure-activated warning system for a crane comprising a plurality of signal device actuators each further comprising a valve spool, shiftable in response to a dangerous condition, and adapted to permit the emission of an alarm on the occurrance of such dangerous condition.

Abstract: A flameless nitrogen liquid to gas converter for providing high pressure nitrogen gas to treat oil and gas wells. A diesel engine prime mover drives hydraulic pumps and motors to pressurize nitrogen and actuate a closed-loop water system and a series of heat exchangers. The closed-loop water system provides heat for converting the liquid nitrogen to gaseous nitrogen which is obtained from the engine jacket water, the engine exhaust and the hydraulic oil from the hydraulic pumps and motors. Additional heat can be obtained from the hydraulic oil system by increasing the hydraulic system pressure with an hydraulic pressure control valve. At least one of the hydraulic pumps and its driven hydraulic motor is in an hydraulic circuit which includes variable means for increasing the pressure in the hydraulic circuit, hydraulic oil-water heat exchanger and an hydraulic oil reservoir. Hydraulic fluid from the other pumps and motors is transmitted through the hydraulic oil-water heat exchanger.

Abstract: An apparatus for engaging onto a shouldered container, the apparatus having a pair of triangulated portions wherein the base of each triangulated portion is an inwardly disposed lip for engagement beneath the shoulder of a shouldered carrier, and the top portions of each triangulated portion making contact with the container shoulder itself. There is further provided a downward disposed member which would engage the inside surface of the shoulder portion so that the shouldered portion is firmly held between each triangulated portion and each downward disposed member. Each triangulated portion would be integrally attached to a handle carrier which overall would define substantially a U-shaped handle, wherein the container could then be lifted through grasping of the U-shaped handle across the horizontally disposed portion of the U.

Abstract: An apparatus for filtering drilling mud that is being recirculated out of the drill hole, which substantially comprises the flow conveying tubular section having at its first end a flanged base portion sealably attachable to the top portion of the hydril and open-ended at its second end for allowing fluid flow therethrough. Also provided is an outer tank portion encapsulating substantially the upper half portion of said tubular section, the tank portion having an open-ended top portion for receiving flow out of the end portion of the flow conveying tubular section and integrally attached at its bottom portion to the outer surface of the flow conveying tubular section, the outer tank portion defining a container for receiving the flow from the tubular section.

Abstract: A hand held apparatus having a generally J-shape for removing wrinkles and bubbles in a thin paraffin ribbon having a pair of normally flexible handles and a pair of elongated strut members with the handles, disposed at an angle in relation to the handles and movable with respect to one another, responsive to a flexing of handles. The apparatus also includes a pair of spreader portions disposed at the opposite end of the strut members in relation to the handles, and a pair of spreader pad portions attached to the top end portions of the strut members so that flexing of the handles brings the spreader portions in close relation to one another, and unflexing of the handles brings the spreader portions apart, thus spreading the thin paraffin layer as the spreader portions are separated.

Abstract: Control system for indicating which, of a plurality of sensed functions, first malfunctions. The system includes a plurality of series connected devices, each such device includes a shiftable valve which, in one position activates an indicator, and, in another position deactivates said indicator. Signalling connections link the devices such that all indicators, save the one governing the first malfunction, remain in the indicating condition they were in prior to such malfunction occurring.