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| Number | Title | Issue Date |
| 7325423 | Drum-type washing machine A drum-type washing machine is disclosed which includes a ventilation apparatus that provides an air passage for an inner space of a tub to communicate with an external atmosphere. The ventilation apparatus employs a bubble dissipation device that prevents bubbles g... | 02/05/2008 |
| 7316133 | Drum-type washing machine A drum-type washing machine includes a washing water supply apparatus providing a liquid passage from a water outlet of a detergent reservoir to an inner space of a tub. The washing water supply apparatus employs a bubble dissipation device for preventing bubbles ge... | 01/08/2008 |
| 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. The overfill protection device includes a butterfly valve located with... | 08/15/2006 |
| 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 moves vertically along the outlet tube to control the opening and closin... | 04/18/2006 |
| 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 includes a floating barrel, a sliding barrel, a water support disk, and... | 07/05/2005 |
| 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 the lower setting after flushing the toilet. The amount of water used ... | 02/01/2005 |
| 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 to open and close the valve. An inverted, cup-shaped hood is position... | 03/30/2004 |
| 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 float container is provided and disposed adjacent to the rise... | 12/23/2003 |
| 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 formed in a bracket mounted on the conduit. The piston is enga... | 04/01/2003 |
| 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 the fuel storage tank. The valve assembly has a cylindric... | 02/25/2003 |
| 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 pilot valve assembly. The pilot valve assembly opens the valve... | 09/17/2002 |
| 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 housing defines a conduit which communicates with a downward... | 09/26/2000 |
| 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 an anti-siphon body telescopically mounted over a fixed sha... | 04/11/2000 |
| 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 inside of the housing of the fill valve assembly. One impr... | 03/14/2000 |
| 5896887 | 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 and a pivoting actuator engageable with the pinch tube for opening and ... | 04/27/1999 |
| 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 the fuel storage tank. The valve assembly has a cylindric... | 11/24/1998 |
| 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. The leak detector apparatus includes a buoyant body (42) ... | 06/23/1998 |
| 5655565 | 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 the fuel storage tank. The valve assembly has a cylindric... | 08/12/1997 |
| 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 liquid, an outlet conduit (2) for liquid, reservoir walls (3... | 06/24/1997 |
| 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 and aligned inlet (12) and outlet (13) open. A bulbous body ... | 09/03/1996 |
| 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 adapter of this invention includes a mounting ring for at... | 08/06/1996 |
| 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 pressure is on the valve the valve will remain cutoff even if t... | 01/23/1996 |
| 5427137 | 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 pressure is on the valve the valve will remain cutoff even if t... | 06/27/1995 |
| 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 wherein a dual-chambered, offset valve mechanism is control... | 03/21/1995 |
| 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 of water to the tank. The ball cock includes a vertical ri... | 02/22/1994 |
| 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 is contained. The sealed chamber includes a cover with a fl... | 01/18/1994 |
| 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 is contained. The sealed chamber includes a cover with a fl... | 08/10/1993 |
| 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 lowering except pursuant to an intentional flush of the tank. Th... | 05/18/1993 |
| 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 when resting on the pivot member and opens the valve when i... | 09/29/1992 |
| 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 the fuel inlet passage of the underground tank when the le... | 08/25/1992 |
| 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. Fuel flowing into the tank is passed through the drop tub... | 03/17/1992 |
| 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 valve open position remote from the radial flow ports and a ... | 11/05/1991 |
| 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 subtank; a first pump provided in the first communication... | 09/24/1991 |
| 5035257 | Toilet tank valve A toilet tank valve having a vertical riser with a collet thread and a plurality of flexible collet fingers. A slider tube is fitted into the riser. It has a plurality of peripheral grooves that can be engaged by the fingers to adjust the elevation of the... | 07/30/1991 |
| 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 stage closure signaling the tank is nearly filled to capa... | 04/30/1991 |
| 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 directed outlet port from the valving chamber. A cuff surr... | 04/16/1991 |
| 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 cryogenic fluid from a supply conduit until the full leve... | 10/17/1989 |
| 4842011 | Flushing means An improved flushing means is disclosed for use in water tanks such as are for flushing toilets. The flushing means has a water inlet with an improved two-stage valve using inlet line pressure for operating the two stages. A float is movably mounted on th... | 06/27/1989 |
| 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 surrounding as portion of the side wall of the cylindrical... | 03/21/1989 |
| 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 housing bore (40) of the tubular housing near the bottom there... | 04/05/1988 |
