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| Number | Title | Issue Date |
| 6666229 | Noise reducing housing for toilet tank fill valve A fill valve assembly for a toilet tank which reduces the fluid noise associated with filling of the tank. The fill assembly includes a fill tube mounted within the tank for delivering water. A fill housing is mounted to the upper end of the fill tube and... | 12/23/2003 |
| 6370708 | Toilet tank anti-refill device A combination of a toilet and an anti refill device, the toilet comprises a bowl, a tank connected to the bowl for storing water and to supply the stored water to the bowl, a flushing structure which releases water from the tank into the bowl, a supply va... | 04/16/2002 |
| 5836346 | Pilot operated diaphragm fill valve An adjustable height fill valve assembly for controlling water level in a storage tank, comprises a lower riser assembly comprising concentrically disposed inlet riser and an outer riser housing, each having an upper end and a lower end, the inlet riser a... | 11/17/1998 |
| 5772928 | Needle and seat valve assembly A valve assembly is provided for controlling the flow of fuel to the fuel chamber of a carburetor. The valve assembly includes a housing and a needle. The housing includes a side wall defining an inlet, an outlet in fluid communication with the inlet, and... | 06/30/1998 |
| 5156197 | Float type liquid level meter A float type liquid level meter is provided having an enhanced resistance against vibration transmitted from outside of the float type liquid level meter. The inventor obtained a finding that an external vibration is amplified with a connecting lever whic... | 10/20/1992 |
| 5141644 | Buoyed flapper valve A buoyed flapper valve comprises a flapper which is capable of closing an exit of a dipleg or standpipe, which is also connected to a counterweight and a float. The float has sufficient buoyancy to as to overcome the weight of the counterweight when the v... | 08/25/1992 |
| 5072751 | Valve assembly A valve assembly includes a tubular member, a hollow case connected to an open end of the tubular member, a linkage having a first end pivotally connected to the hollow case, a float connected to a second end of the linkage, and a control valve member mov... | 12/17/1991 |
| 4628956 | Float valve mechanism A float valve mechanism comprising a housing 13 defining a closed chamber 14 having an inlet 12 and an outlet 22. The chamber 14 is closed by a cap 17 threaded on to it. The valve head 32 has a conical surface 34 engaging a conical valve seat 33 and a ski... | 12/16/1986 |
| 4453563 | Non-chattering float controlled pilot operated diaphragm valve A non-chattering, float-controlled, pilot-operated diaphragm valve for controlling the flow of liquids from a conduit under pressure to a tank where the surface is in turbulent condition. The lightweight float and pilot valve follow the relatively high fr... | 06/12/1984 |
| 4399835 | Water saving toilet control valve A toilet holding tank water inlet valve of the type utilizing a flexible valve element formed as a portion of a pressure chamber and having a control stem associated with the pressure chamber and a pivot arm associated with the control stem is improved by... | 08/23/1983 |
| 4110849 | Apparatus and method for conserving water An apparatus and method for conserving water during the flush cycle of a tank-type toilet. The apparatus includes a pivotally mounted lever arm having a water-fillable weight on one end and a toilet tank float engagement means on the other end. The water-... | 09/05/1978 |
