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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 6910232 | Toilet tank valve A toilet tank flushing system including a ballcock valve for maintaining a storage level of water in the tank, a tank valve to release stored water on demand, and a linkage system which requires a reduced physical effort to initiate flushing. A hollow, open-ended cl... | 06/28/2005 |
| 6804843 | Flush tank capable of receiving waste water A flush tank includes a water entrance to receive water from a water reservoir, a water outlet for discharging the water and controlled by a valve member, and a water inlet disposed in the upper portion to receive waste water from waste water suppliers. A valve devi... | 10/19/2004 |
| 6640351 | Toilet flushing apparatus In combination, a cistern and flushing apparatus, the cistern having an outlet (7), and the apparatus comprising a valve (3, 5) for closing the outlet, the valve having a seat (5) and a sealing member (3) movable onto and off the seat, an actuating float ... | 11/04/2003 |
| 6584622 | Method and device for timer-controlled flushing of water toilets Methods and apparatus for flushing a toilet are disclosed, the method including actuating a flushing initiator to open a reservoir discharge valve, closing the reservoir discharge valve after a predetermined period of time, and determining that predetermi... | 07/01/2003 |
| 5742951 | Inlet valve mechanism An interlock mechanism (6-9, 41-47) for a cistern or flush tank (1) has an underwater flush valve (3). The interlock mechanism is linked with the float arm (7, 57) of an inlet valve (5, 50). The interlock mechanism latches the float arm in its raised posi... | 04/28/1998 |
| 5023960 | Toilet flapper valve control apparatus A water saver device to be connectable to the flushing mechanism of a conventional toilet. The device causes the conventional flapper valve of the discharge opening of the toilet tank to close prematurely prior to discharge of the entire contents of the t... | 06/18/1991 |
| 4945578 | Toilet flush control device A flush control device for use in a toilet tank of the type containing a standpipe and a flap valve pivotally mounted on the standpipe for closing an outlet in the bottom of the tank includes a cylindrical sleeve for slidable mounting on the standpipe and... | 08/07/1990 |
| 4882793 | Dual flush cistern mechanism The present invention discloses a dual flush cistern mechanism in which a hollow central stem functions as a flush valve operating member, a slide for a float and an overflow pipe. The float is retained on the stem by a releasable latch during normal oper... | 11/28/1989 |
| 4825478 | Flush tank water saver A water saver outlet valve mechanism for a flush tank includes a latch for holding the valve open when pulled open by the flush handle. This latch is released by a float either at a water saving intermediate level, or when the tank is empty for a full flu... | 05/02/1989 |
| 4748699 | Water closet limited flush volume control system A float is slidably mounted on the upright overflow tube or other upright guide in the toilet tank. As the water level lowers during flushing, the float descends so that a valve actuator on the bottom of the float closes the flapper valve when the water l... | 06/07/1988 |
| 4651359 | Dual mode flush valve assembly A dual mode flush valve assembly selectively operable in a full or partial flush mode for use with a toilet flush tank assembly including a flush actuator movable between a first and second position interconnected to a buoyant flush valve movable between ... | 03/24/1987 |
| 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 |
| 4483024 | Variable flush water closet An overflow pipe in a water closet supports a valve arm which carries a valve for opening and closing an outlet in the bottom of the tank. A first float is connected to the outer end of the valve arm to maintain the valve in an open position until the wat... | 11/20/1984 |
| 4391003 | Water-saving device for use with toilets A water-saving device for toilets is provided which when employed in a conventional toilet tank allows for flushing a conventional toilet employing an amount of water which is substantially less than usually employed. The water-saving device of the invent... | 07/05/1983 |
| 4351071 | Water-saving device A water-saving device for use in the tank of a flush toilet has a movable latch member for supporting the inlet valve float in an elevated position upon initiation of a flush cycle. A secondary float within the tank controls the latch member and releases ... | 09/28/1982 |
| 4185338 | Toilet flushing apparatus A double valve construction selectively provides a full flush or a partial flush from the tank of a toilet. The apparatus, which may be utilized to modify existing toilet water closets, includes a hollow cylinder with a first valve on its lower end engage... | 01/29/1980 |
| 4117556 | Flush water conserver A flush water conserver adapted for easy retrofitting to existing standard toilet flush tanks is disclosed. The standard trip lever fixed to the pivot shaft of the toilet operating handle is replaced with a trip lever mounted on a pivot which is located b... | 10/03/1978 |
