Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8060954 | Toilet flush actuator device The invention relates to a toilet flush actuator mechanism for a toilet tank which has a discharge port surrounded by a valve seat having a central axis, a ball-cock type valve, and a flush valve having a vertical axis. The actuator mechanism consists of a trip leve... | 11/22/2011 |
| 7310832 | Apparatus for operating toilet flush valves An automatic flush valve comprising: a linear actuator; an actuator rod in operable communication with the linear actuator; an actuator chain in communication with the actuator rod; a wheel anchor in communication with the actuator chain; a force compensating wheel ... | 12/25/2007 |
| 7155752 | Toilet overflow control mechanism A control mechanism for preventing overflow of a toilet including a bowl, a water tank, and a filler float operatively communicating with a filler valve includes a knob or handle that can be manipulated to cause the filler float to occupy a position that shuts off t... | 01/02/2007 |
| 7140050 | Automatic flushing actuator for tank style toilet An automatic flushing actuator that mounts to an overflow pipe in a tank style toilet includes a proximity sensor, a housing enclosing a motor mount and gear assembly, and a rotatably mounted lever on top of the housing. A clamp is adapted to be affixed to the side ... | 11/28/2006 |
| 6415456 | Adjustable universal flapper The adjustable flapper comprises at least an adjustable flapper comprising at least a base to which is adjustably engaged a seal assembly including a seal, the seal depending from the base, and the seal assembly being movable in at least one desired direc... | 07/09/2002 |
| 6092245 | Toilet operating lever for multiple applications A universal-fit, multiple-application molded thermoplastic operating lever for a flush toilet, the toilet having a buoyant flush valve flapper, tank ball or activating disk utilizing flexible connection chain for momentarily lifting the flush valve by man... | 07/25/2000 |
| 5996135 | Water-saving structure of toilet bowl A water-saving structure of toilet bowl, includes a tube member, a pull knob, a stopper body, a pull cord, a handle and a valve body disposed at a bottom of a water tank of the toilet bowl. When pulling the pull knob, the stopper body is stopped by the tu... | 12/07/1999 |
| 5983412 | Toilet tank ball flapper and plastic chain assembly formed as a unitary structures The toilet tank ball flapper and chain assembly is formed as a unitary article of manufacture, with the chain being integrally molded to lie along the perimeter of the base plate of the flapper and being releasably engaged thereto by a plurality of break ... | 11/16/1999 |
| 5960482 | Flushing water control device for a toilet tank A device for controlling different amounts of flushing water out of a toilet tank includes a casing having a through-hole defined therein and a pair of channels formed on both sides thereof; a shaft rotatably arranged in the casing with the front end exte... | 10/05/1999 |
| 5918324 | Water saving two-stage toilet A two-stage toilet is composed of a handle switching device, a locating and fastening device, a water adjusting device, and a water stopping valve device. The handle switching device consists of a camshaft on which the locating and fastening device and th... | 07/06/1999 |
| 5836021 | Novelty toilet pull chain and tank valve actuator A flexible chain and cord-and-return mechanism used in flushing a toilet. A handle is removably attached to the end of the chain. Various handles are designed in a multitude of shapes including objects relating to a decorating theme, a special occasion or... | 11/17/1998 |
| 5544368 | Two-stage flush device for a toilet tank A two-stage flush device for a toilet tank comprising a cylindrical bolt adapted to be fixed in a hole of a side wall of a toilet tank and partly exposed out of the side wall, a rotatable button having a shaft portion fitting in a center hole of the cylin... | 08/13/1996 |
| 5414877 | Flush device for water closet A flush device for water closets comprising an overflow tube, a flush lever, a handle connected to a first end of the flush lever, a flapper ball, a connecting device and a lever restraining device. The connecting device comprises a support guide having a... | 05/16/1995 |
| 5341522 | Water conservation device for use in toilet tanks A water conservation device for use in toilet tanks which have a valve movable between an open and a closed position. The valve is connected to a flush linkage which draws the valve to the open position upon activation of a flushing lever. The water conse... | 08/30/1994 |
| 5191661 | Control device for a water tank A control device including an inlet pipe and an outlet pipe disposed in the water tank, a valve disposed on top of the outlet pipe, a pawl rotatably supported on top of the inlet pipe, a float slidably engaged on the inlet pipe, a pusher extended downward... | 03/09/1993 |
| 5175893 | Dual flush valve assembly An improved dual flush valve assembly adapted for connection with a toilet tank provides a partial or full flush of water. The assembly comprises two actuating lever arms and three chains depending from the levers for connection with two flap valves. The ... | 01/05/1993 |
| 5105480 | Toilet flush valve apparatus A pivoting cup is mounted on the flap valve of a toilet. Two flexible actuating elements control the position of the cup. The amount of water used for a flush depends on the orientation of the cup. If the cup is selectively oriented to hold water, a parti... | 04/21/1992 |
| 5088133 | Flush mechanism for toilets A flush mechanism for toilets comprises a water supply control device and a water escape control device independently disposed in a flush tank. The mechanism is actuated to flush by raising a plunger to lift a piston of the water escape position from its ... | 02/18/1992 |
| 5031250 | Mechanism for filling and discharging a toilet water tank The mechanism comprises an inlet valve assembly which admits water into a toilet tank under the control of a valve plug mounted on the end of a vertical axle having a float on its upper end. The valve plug is unseated, to admit water, when the axle is til... | 07/16/1991 |
| 4910812 | Semi-flush valve mechanism A semi-flush valve mechanism in a toilet tank is provided with a two way flush operating handle. If the handle is pressed downward the toilet tank is flushed fully in the conventional way. If the handle is pressed upwardly the toilet tank is only half emp... | 03/27/1990 |
| 4633534 | Universal toilet tank shut-off assembly A universal shut-off device for stopping the flow of water from a toilet tank to a toilet bowl during the flushing of the toilet. The device is mountable on toilet tanks having a handle on either the right-hand side or the left hand-side of the tank. The ... | 01/06/1987 |
| 4499616 | Flush valve A flush valve for use with a toilet tank assembly having a flush outlet surrounded by a valve seat, an overflow pipe, and a lift arm movable to initiate flow through the valve seat includes a one piece integral body of molded plastic material. The valve b... | 02/19/1985 |
| 4175295 | Water saving toilet Disclosed herein is a water saving toilet characterized in that a single handle actuates either of two water sealing valves horizontally offset one from the other and when actuated makes it possible to vary the amount of water introduced into the bowl so ... | 11/27/1979 |
| 4173044 | Drain valve operating device for a cistern of flush toilet A drain valve operating device for a cistern of flush toilet whereby the amount of water for flushing a toilet pot can be available either in "large" amount or in "small" amount by turning a lever either to the right or to the left.... | 11/06/1979 |
| 4122564 | Dual discharge valve unit An improved dual discharge valve unit is provided for easy installation in an existing water closet flush tank. The unit provides flap valves disposed at two different levels in the tank for controlling the discharge of water therefrom. The structural arr... | 10/31/1978 |
