Class 4/392 - Swinging

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the valve is caused to follow a curved
No. of patents: 23
Last issue date: 10/16/2007

Number	Title	Issue Date
7281279	Drain valve A drain valve, which is assembled on a rotating element of a water tank, is adapted to cooperate with a handle and a link element of the water tank for controlling opening or stopping a drain hole of the water tank. The drain valve includes a fixing base, a cover ab...	10/16/2007
7222375	Tank ball assembly for toilet A tank ball assembly is disclosed to include a cover stopper mounted with a gasket for closing the drain port of the tank of a toilet, a tank ball coupled to an upright short tubular flange of the cover stopper and rotatable on the upright short tubular flange to ad...	05/29/2007
7047574	System and method for automatically varying a volume of a liquid held by a toilet receptacle A toilet system comprises a liquid receptacle and a control element. The control element configured to automatically control an amount of liquid input to the liquid receptacle for each of a plurality of flushes of the liquid receptacle such that an amount of the liq...	05/23/2006
6651264	Flush valve attachment system with low-profile outlet end A flush valve is connectable to a blind hole in a vertical wall of a toilet tank. An overflow member is in fluid communication with a flush valve housing. The flush valve housing is wider than it is higher, and fits into a blind hole in the tank wall of s...	11/25/2003
6615415	Tank valve for a lavatory A tank valve for a lavatory has a body having a plug with a hollow. A flange is formed on a top edge of the plug. A pair of arms is formed on the flange and extends outwards. An upper ring made of a metal is mounted on a top surface of the flange. A lower...	09/09/2003
6339882	Flush valve A flush valve is adapted for placement through a hole in the bottom of a toilet tank. The valve seat has an axis with a lower section adapted to extend through the hole and an upper section defining an opening generally perpendicular to the axis. A first ...	01/22/2002
5966749	Adjustable flush valve A pivotable toilet flush valve member (10) is provided, of the type that includes a float (40) with a pair of holes (44, 52) that allow the float to fill with water during a flushing to close early, and where the float can be turned to vary the amount of ...	10/19/1999
5794279	Water saver attachment for toilets A water saver attachment for toilets being pivotally connected to selectively cover a drain pipe within a flush tank of the toilets. The water saver attachment includes a hollow L-shaped water weight box having a horizontal section with an open top side a...	08/18/1998
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
5218725	Flush valve water accelerator A flush valve water accelerator having a top opening of increased height to reduce the amount of water used by a toilet, and which accelerates the flow of water to increase the efficacy of the water in the toilet bowl. The device is comprised of an entry ...	06/15/1993
5173971	Replacement flush valve An assembly is provided for replacing part or all of a toilet flush valve, which facilitates mounting in a variety of toilets and which enables saving of water. The assembly includes an adapter (30, FIG. 6) for mounting on older types of overflow tubes, w...	12/29/1992
5157796	Double flush toilet valve A double flush toilet valve apparatus and method for permitting full and partial flushes of a toilet water tank by providing a vent hole in the toilet flush valve float which can be opened by an extended additional force actuation of the toilet flush hand...	10/27/1992
5153948	Water saver for flush toilet A water saver unit for use with a flush toilet having a tank, a flush handle, a tank drain opening and a flapper valve support, with a flapper valve having a flapper element for mounting on the flapper valve support, and a strap for connecting the flapper...	10/13/1992
4953237	Two stage flapper valve for fluid reservoirs A globular flapper valve for use in combination with a conventional toilet tank. The flapper valve consist primarily of a normally submerged lever-actuated plunger valve having connection with two separate but interconnected air chambers. A first and uppe...	09/04/1990
4698859	Flapper flush valve assembly A flapper valve assembly including an adapter member and a flapper valve member. The adapter member includes a collar portion, a pair of trunions projecting radially outwardly from diametrically opposed locations on the collar portion, and a mounting port...	10/13/1987
4639951	Wear plate for flush valve assembly A reliable, inexpensive wear plate attachment for conventional toilet flush valve assemblies which is easily attached to the same for repair of a broken or worn pivoted valve stop wall portion, or, for attachment prior to breakdown in a program of prevent...	02/03/1987
4497076	Dual flush system for controlling flush water in water closet The invention is an improved, adjustable ball valve closure for use in a dual flush water closet which allows the choice of a regular flush or a water saving flush. The adjustable closure is the type having a buoyancy chamber with a relatively lower drain...	02/05/1985
4433446	Flush valve attachment system A flush valve connectable to a wall of a toilet tank is disclosed. In one embodiment, there is a non-circular outlet formed in the bottom wall of the tank. There is also a resilient seal bearing against an upper surface of the bottom wall, the seal surrou...	02/28/1984
4419773	Adjustable tank discharge valve for controlling flush water volume A discharge valve closure of the type which has a bleeder port to permit the conservation of water by causing the closure to shut the discharge valve prior to the draining of all water from the water tank. The discharge valve closure features an adjustmen...	12/13/1983
4365365	Flush valve and means for mounting the same A flush valve adapted to be mounted to the bottom of a tank. The flush valve has a body with a drain conduit and an opening which can be opened and closed by a movable plug. The body has an internal thread in the drain conduit. A mounting seal has a flang...	12/28/1982
4365364	Toilet flush control using a hollow crown instant close flapper valve A demand type flush tank control for saving water by the utilization of a water release valve of the flapper type in the water storage tank of a toilet, with such flapper valve being non-buoyant such that it will close off the flow of water from the tank ...	12/28/1982
4155128	Toilet tank flush valve assembly A toilet tank flush valve assembly including a vinyl foam valve closure element is disclosed. A guide element is attached to the bottom of the valve closure element and extends into the flush pipe when the valve closure element is seated for guiding the s...	05/22/1979
4134165	Flush toilet accessory This invention provides an attachment for use with a flush toilet mechanism with the usual stopper and a cylindrical float member horizontally disposed, both being fixed with respect to each other and being swingable about a horizontal axis parallel with ...	01/16/1979

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Class 4/392 - Swinging