Matches 1 - 50 out of 79 1 2 >
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7089974 Float operated overfill protection device  
A fuel storage tank includes an overfill protection device for shutting off the flow of fuel into the tank via a fuel fill tube when the contents of the tank reach an intended maximum fill level....
7028704 Fill valve  
A fill valve assembly for a water tank such as a toilet tank. The fill valve assembly includes a head portion containing a valve mounted on top of a vertical water outlet tube and a float which...
6913035 Water filler for water tank  
A water filler includes a water filling device, and a regulating device. The water filling device includes an inner filling tube, an outer filling tube, and an upper cover. The regulating device...
6848469 Adjustable valve for a toilet  
The present invention relates to an adjustable valve for a toilet in which the valve remains in a lower setting unless it is activated by the user to a higher setting and automatically returns to...
6712090 Hydraulic valve  
A fluid tank valve assembly of the type employed for water tanks for toilets has a tank refill valve located atop a fluid inlet supply tube. The refill valve has a lever that is raised and lowered...
6666228 Ball cock assembly  
A ball cock assembly includes a water supply riser with a valve for controlling water flow into a toilet tank. The valve includes an arm extending therefrom for opening and closing the valve. A...
6539973 Water pressure-assisted flush valve  
A flush valve assembly includes a resilient pinch tube disposed in a conduit between a pressurized water source and a toilet flush tank and is pinched closed by a piston disposed in a cylinder...
6523564 Above ground overfill valve  
An aboveground tank auto-limiter is provided for preventing the overflow of fluid via storage tanks. The auto-limiter includes a valve assembly insertable downward through the top of a fill pipe of...
6450195 Toilet tank fill valve with float  
A fill valve assembly for a toilet tank including a vertical standpipe, a pilot valve assembly located at the top end of the standpipe, and a vertically movable float which is connected to the...
6123099 Pinch tube tank level control valve with snap-action shutoff  
A liquid level control apparatus for a flush tank includes an upstanding fill tube integral at its upper end with a valve housing carrying a flexible resilient pinch tube valve member. The valve...
6047725 Adjustable height fill valve  
An adjustable height fill valve for controlling the water level in a storage tank for a toilet includes a riser mounted in the tank and connected to a pressurized water supply. The riser includes...
6035879 Automatic fill valve assembly  
An improved automatic fill valve assembly that is readily securable in a level position for installation and that has inlets adapted to accept either a toilet tank fill valve or a float type valve...
5839465 Above-ground tank auto-limiter  
An above-ground tank auto-limiter is provided for preventing the overflow of fluid in storage tanks. The auto-limiter includes a valve assembly insertible downward through the top of a fill pipe of...
5769111 Leak detector  
Leak detector apparatus (40) is provided for use with a toilet inlet valve assembly (12) that includes a float (30) slidable along a vertical post (32), which can be easily installed by a handyman....
5640994 Liquid reservoir  
The present invention relates to a fluid reservoir, chiefly a reservoir whose purpose is to constitute a buffer, wherein the liquid level varies substantially comprising an inlet conduit (1) for...
5551466 Hydraulic valve  
The present invention discloses a valve which utilises an imbalance of flow induced pressure forces to keep the valve open or closed. The valve has an interior cavity (15) into which an opposite...
5542448 Latch attachment preventing chronic leakage  
An attachment for float operated valves in a water closet of commode is set forth. In the water closet, the rising water on filling moves a floating bulb or ring which is connected with an arm. The...
5485866 Fluid shut off valve and fill level indication  
A valve to monitor the level of fluid in an above ground storage tank while the tank is being filled, cutoff the flow of fluid when the tank is in a full condition, and as long as the filling...
5398722 Automatic control valve and method  
A compact, self-contained, automatic flow control and venting apparatus for the automatic interruption of liquid flowing into a liquid storage receptacle during the refilling process is disclosed...
5287882 Ball cock assembly float with drain openings  
A toilet tank ball cock is designed for use in a toilet tank having an operating lever, a flush valve controlled by the operating lever and a water supply, with the ball cock regulating the supply...
5279602 Suction drainage infection control system  
A suction drainage control system that reduces an operator's exposure to infectious waste by permitting waste-treating material to be dispersed into a sealed chamber in which the infectious waste...
5234419 Suction drainage infection control system  
A suction drainage control system that reduces an operator's exposure to infectious waste by permitting waste-treating material to be dispersed into a sealed chamber in which the infectious waste...
5211204 Toilet tank ballcock with detent arm  
A toilet tank ballcock which includes an adjustable detent arm pivotally mounted above the ballcock float to swing into a latching position below the float and thereby prevent the float from...
5150732 Boosted differential pressure-type tank valve  
A tank valve for maintaining a water lever storage level in a tank. The tank valve includes differential pressure valve workings under control of a pivot member. A float enables the valve to open...
5141019 Two stage automatic shutoff valve  
A two stage float actuated shutoff valve for preventing overfilling of an underground storage tank has a first float actuated valve flapper movable to a closed position to block a major portion of...
5095937 Two stage automatic shut off valve  
A two stage float actuated shutoff valve for use in underground fuel storage tanks having a co-axial vapor recovery system utilizes a drop tube co-axially mounted within the storage tank fill pipe....
5062444 Fuel level responsive vapor vent valve  
A vapor vent valve for venting air and fuel vapor from vehicle fuel tanks comprises a hollow valve body having radial flow ports formed therein, and an axially slidable shutter movable between a...
5050567 Fuel supply system  
A fuel supply system comprising a main tank for storing a fuel; a subtank provided in the main tank for storing a part of the fuel; a first communication line for communicating the main tank to the...
5010915 Two stage automatic shut off valve  
A shut off valve assembly for preventing overfilling of an underground fuel storage tank or other storage tanks where the incoming flow is not metered, utilizes a two stage valve closure, the first...
5007452 Bowl fill for a tank valve  
A tank valve for refilling a toilet tank and simultaneously supplying water to a toilet bowl has a riser, a valve mounted to the riser, a valving chamber in the body of the valve, and a downwardly...
4873832 Liquid level control for a cryogenic fluid  
A simple and reliable liquid level control for controlling the level of a cryogenic fluid within an enclosure for an electrical component. This totally mechanical system varies the flow rate of the...
4813282 Vehicle fuel level sensor  
A vehicle fuel level sensor comprising a hollow cylindrical body housing a sliding float, the position of which is determined by the fuel level in the fuel tank. The sensor also comprises a filter...
4735230 Overflow valve system  
An overflow valve system (10) comprises a tubular housing (12) having a J-shaped pipe fitting (14) mounted therein having an injection nozzle (24) at a first pipe-fitting end (26) located in a...
4621657 Automatic water level monitoring system  
A system for maintaining a preselected water level in e.g. a swimming pool comprises a chamber (6) in communication with the pool such that the water level in the chamber corresponds to that of the...
4601071 Flush system  
A flushing system for rapidly delivering a given volume of water supplied to an accumulating chamber (5) from an automatically or manually operated valve (6) has a float-controlled discharge valve...
4600031 Ball cock and float assembly  
A ball cock and float assembly (10) having a shank portion (11) that is adapted to be insertably received through the inlet opening (13) in the bottom wall (14) of a reservoir tank (12). A support...
4573495 Hydrostatic ballcock assembly  
A ballcock assembly having an upright standpipe for delivery of flush water, a control valve assembly at the upper end of the standpipe, and a float and ballast assembly slidably mounted for up and...
4414998 Air gap system to maintain pure liquid supplies  
A safety air gap system for an exemplary high volume evacuator having a water-sealed pump to provide suction thereto and including a gray water discharge from the pump to a drain, the system...
4300489 Pipe closing device  
The device is especially intended for a pipe supplying a fluid which must be supplied, simultaneously or alternately, with another fluid. The device comprises a tank for a control fluid which...
4186765 Liquid level control valve assembly  
A main valve diaphragm closes the liquid inlet to the tank when the latter is full because ballast members associated with a pilot valve have their gravitational effects negated as a result of...
4080986 Ball cock float having improved anti-noise structure  
An essentially closed hollow body of the float receives liquid in a lower portion for ballast and air in an upper portion for floatation with a vertical guide sleeve therethrough being offset at...
4079748 Automatic stop valve  
An automatic stop valve mounted in a liquid supply port of a container to be supplied with pressurized liquid, which valve ensures that liquid supply is automatically and instantaneously stopped...
3985836 Altitude compensated carburetor float valve  
The level of fuel in the float bowl of a carburetor is controlled by a semi-spherical inlet valve that is carried by an ambient pressure responsive aneroid-toroidal float assembly in position to...
3916454 Float for ball cocks and the like  
Upper inverted cup-shaped and lower cup-shaped parts are assembled with the upper part skirt-like slightly telescoping the lower part forming an annular water inlet therebetween into the float...
3865131 VALVE ASSEMBLY WITH RECIPROCAL FLOAT UNIT  
A float unit is guided for reciprocal movement by the supply tube in a water closet. Held in a vertically spaced relationship by the float unit are upper and lower flexible washer-type seals. The...
3815626 APPARATUS FOR THE AUTOMATIC REGULATION OF THE FLOW OF FLUID  
An apparatus for the automatic regulation of the flow of water is disclosed comprising a vertically disposed fluid intake pipe having a plurality of vertically spaced openings formed therein with a...
3752217 FLOAT-DISTRIBUTOR FOR DIRECT CHILL CASTING  
A float-distributor for direct chill casting of metals, particularly, aluminum and aluminum base alloys. The float-distributor comprises a float adapted to float on the surface of the molten metal...
3727243 WATER CLOSET SAFETY CONTROL  
A water closet safety control, more specifically, in a water closet supply tank of the type embodying a ball cock or fill valve float regulating the water supply, according as the level of water...
3693649 WATER CONTROL FOR TOILET TANKS  
Covers a water control valve for a water tank which is associated with a conventional toilet bowl. The water control valve includes a valve structure mounted on a vertical water inlet pipe and a...
3667493 FLOAT VALVE FOR AIR LINE LUBRICATORS  
This invention relates to a float-actuated shut-off valve for use in the pressurized reservoir of an air line lubricator to cooperate with the latter upon a drop in the oil level below a...
Matches 1 - 50 out of 79 1 2 >