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| Number | Title | Issue Date |
| 5179739 | Water conserving toilet assembly A toilet flushing apparatus designed to prevent excess loss of water that may happen when the flush valve stays open as the inlet valve is putting water into the tank. The initial flushing lifts the flush valve which acts in conjunction with a counter-wei... | 01/19/1993 |
| 4811432 | Flush tank water saver A flush tank water saver has an elongated semi-circular base fitting around and clamped to the overflow pipe. This base carries an operating lever on pivots close to the flapper valve pivots. One part of this lever engages the flapper valve at its center ... | 03/14/1989 |
| 4571753 | Toilet-tank discharge valve The valve piece of a toilet-tank discharge valve is moved into its open position by the release activation of an associated activating mechanism. It usually remains in this position until the flushing process is complete and the drops back into the closed... | 02/25/1986 |
| 4357720 | Flush valve mounting for toilets A flush valve mounting permitting adjustment of water flow to the requirements of different types of toilet bowl comprises a housing in which a float container with a float therein is removably emplaced. The lower portion of the housing has window apertur... | 11/09/1982 |
| 4275471 | Hydraulically operated flush valve for toilet flush tanks and similar devices This invention comprises an improved hydraulically operated flush valve for toilet flush tanks and similar devices. Its main components are a cylinder and piston assembly positioned with its longitudinal axis directly above and vertically aligned with the... | 06/30/1981 |
| 4115883 | Diaphragm activated toilet A toilet for conserving water, the toilet having a water storage chamber which includes an expandable diaphragm wall that on filling under household water supply pressure conforms to a wall of a complimentary air chamber separated from the storage compart... | 09/26/1978 |
| 4106136 | Toilet flush flow accelerator A device usable in a toilet flush tank having a bottom wall opening comprises: (a) a tubular body adjustably located in drain communication with said opening and having an inlet spaced above the level of said opening so that only tank water above the leve... | 08/15/1978 |
| 3973751 | Siphon with pressure priming and pneumatic reflux A liquid siphon including a tank and a pair of concentric shells within the tank. One end of the external-most shell has an enlarged bell part formed thereon. A deformable gasket is retained against an interior portion of the bell part to close the same. ... | 08/10/1976 |
