Class 4/391 - Float connected or float type valve

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein either the valve is buoyant in the
No. of patents: 38
Last issue date: 04/10/2007

Number	Title	Issue Date
7200877	Dual flush water saving toilet system A dual flush toilet system (120) with a water tank (122), a discharge opening (159), a flush valve (156), and a toilet bowl, is provided with a dual action flush lever (130) for actuating a full or a partial flush operation, an eng...	04/10/2007
7185374	Discharge valve comprising a flexible ringed tube for toilets A discharge valve for toilet tanks comprising a flexible ringed hose held by a couple covering a center hole of the toilet tank and a handle connecting to a wire wrapping around an upper part of the flexible ringed hose. The wire connected to the handle bends and su...	03/06/2007
7155751	Toilet tank valve A hollow, open-ended closure for the tank valve which enables a large cross-section area of discharge port to be used, and which can pass bowl-refill water during the flushing sequence. It is especially useful as part of a valve in which it can be tilted to open the...	01/02/2007
6925658	Leak proof toilet tank flush valve A flush valve containing a flush drain entrance that while in a rest position is positioned above the water line so that there can be no leakage. When flushed, the entrance falls below the waterline, flushing the toilet bowl and then once again rises to a position a...	08/09/2005
6901610	High performance valve assembly for toilets A flush valve assembly includes a valve body with a first cylindrical tube member and a flush cover member that is coaxially and slidably mounted with respect to the valve body so as to create a valve opening therebetween when the flush cover member is removed from ...	06/07/2005
6785913	Flushing mechanism for a dual flush cistern A flushing mechanism for a dual flush cistern system comprises a float assembly (1) comprising a hollow valve stemn (2) carrying a sealing valve (3) for sealing the outlet opening of the cistern at or towards one end and being open at each end t...	09/07/2004
6728975	High performance flush valve assembly A flush valve assembly for a water tank of a water closet which includes a first valve member which can be secured to the water tank and has a base sleeve position including a radiused inlet to thereby increase the discharge coefficient of the valve opening. A secon...	05/04/2004
6715162	Toilet assembly A toilet includes a toilet bowl assembly having a toilet bowl and a trapway extending from the bottom of the toilet bowl to a sewage line. The toilet bowl has a rim channel provided along an upper perimeter portion thereof. In this toilet, the flush water flows thro...	04/06/2004
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
6397404	Toilet flushing system A toilet flushing system primarily having an actuating assembly, guide housing, funnel assembly and flexible hose. Designed to minimize water utilization, the water inlet is located above the water line in a natural state. With the ability to select the d...	06/04/2002
6381764	Toilet tank flush valve for partial or full flush A flush tank has a tube fitted to a downwardly open outlet and having an upper end vertically displaceable in the tank. A float fixed to the tube can switch between a low buoyancy insufficient to hold the tube upper end above the liquid level and a high b...	05/07/2002
6199221	Flush valve A flush tank having a downwardly open outlet and a valve for filling the tank with a liquid has a flush valve having a tube fitted to the outlet and having an upper end vertically displaceable in the tank. A float fixed to the tube upper tube end has a bu...	03/13/2001
6006371	Flush valve A flush valve has a valve ring defining a downwardly open valve port, an overflow tube centered on an upright axis and having a lower end opening into the valve port, and a valve body at the tube lower end displaceable relative to the port between a close...	12/28/1999
5713086	Flushing device for a toilet A flushing device has a first pushbutton for triggering a flushing with essentially the total amount of water present in the flushing tank and a second pushbutton for triggering a flushing with part of this amount of water. Both pushbuttons are connected ...	02/03/1998
5653252	Drain valve for a flush tank In a housing to be fastened to the bottom of a flushing tank, a float, which is arranged approximately centrally on a closing member mounted displaceably in the housing, is arranged under a partition extending horizontally in the flush tank. A sealing bod...	08/05/1997
5608924	Consistent delivery flush and fill system for a tank A consistent-delivery flush and fill system for a water tank. A vertically movable post with a central passage carries a valve plug to open and close a valve seat for a discharge port from the tank. Buoyancy means on the post respond to the water level in...	03/11/1997
5502846	Flush tank mechanism The present invention discloses an operating mechanism for a cistern (1) or flush tank which is able to be used for a wide variety of cisterns, irrespective of their volume to depth profile. The preferred mechanism takes the form of a generally cup-shaped...	04/02/1996
5349981	Drain valve for a flush tank The drain valve (1) has a valve tube (26) as well as an insert (37) with a float (38) in a valve housing (36). The float (38) is connected with the valve tube (26). In the bottom (49) of the insert (37) openings (39, 41a) are provided, which can be made t...	09/27/1994
5343572	Pressured toilet tank flush valve A flush valve device is described for use in a toilet that includes a pressured water source, which can drain away water in the event of excess pressure with minimal modification to the toilet and which facilitates initial operation of the flush valve dev...	09/06/1994
5341520	Variable twin cycle water metering machine A dual capacity toilet flusher for controlling the release of water from a storage tank (25) into a bowl (23) and the refilling of the storage tank and the bowl after a flush. For liquid waste, the user gently presses the flush lever (24), thus rotates an...	08/30/1994
5329647	Flush valve for low water volume toilet A flush valve for a conventional toilet which replaces the conventional flapper valve assembly and seat and operates in conjunction with the standard ballcock valve. A hollow annular drain stopper seat is connected to the upper end of a male threaded cyli...	07/19/1994
5228147	Hydropneumatic flusher for toilet tanks The hood (1) has a tubular duct (2) in axial correspondence with the hole provided in the base thereof and in whose inside the overflow tube (3) is guided. Between the duct (2) and the side wall of the hood (1) the pneumatic chamber (11) in which the floa...	07/20/1993
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
4922556	Flushing means An improved flushing means is disclosed for use in water tanks such as are for flushing toilets. The flushing means has a water inlet with an improved two-stage valve using inlet line pressure for operating the two stages. A float is movably mounted on th...	05/08/1990
4615056	Flushing cistern A flushing cistern includes a flushing device which is located in a liquid-containing cistern. The device includes a hollow tube and a closure member carried by the tube. The tube can be moved in the cistern between open and closed positions in which the ...	10/07/1986
4604763	Seal means for a flush valve assembly A flush valve assembly (10) for a water closet having a reservoir tank (12) with a discharge opening (15). The flush valve assembly (10) incorporates a spud (13) having a tubular body portion (14) which presents an annular groove (55) that extends periphe...	08/12/1986
4486906	Water-saving flush valve A flush valve assembly for use in the water storage tank of a toilet, the closing speed of which can be controlled and adjusted to seal the storage tank as soon as the trap in the toilet bowl has been refilled, thereby preventing water loss from an overfi...	12/11/1984
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
4443898	Automatic toilet flushing device YAn improved automatic flushing device for valve actuated toilets that is capable of being housed inside the toilet's water tank, out of the user's sight. The conventional water supply valve system is not altered and the flush valve assembly is actuated t...	04/24/1984
4435859	Toilet flush tank Toilet flush tanks run completely empty when the actuating device is actuated briefly. In very many cases this is not necessary. Therefore, a toilet flush tank is proposed where the drain closure part, actuated by a closing force, closes the drain. The cl...	03/13/1984
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
4341238	Flushing means An improved flushing device is disclosed for use in tanks such as are used for flushing toilets. The flushing device has an inlet means including an improved two-stage valve which uses inlet line pressure in operating each of the two stages. A float is mo...	07/27/1982
4145775	Water saving device for water closet A water saving device is provided in the form of a flow control valve, which may be installed in the refill tube for the toilet bowl of a water closet, and which may be adjusted to establish the proper amount of refill water to flow into the toilet bowl a...	03/27/1979
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
4011605	Flushing and refilling apparatuses A flushing and refilling apparatus for use in a flushing cistern includes flushing and refilling valves, an overflow member and a common support having quick release coupling means for easy mounting and dismounting of said apparatus and said overflow memb...	03/15/1977
3969774	Flushing and refilling apparatus A flushing and refilling apparatus for use in a flushing cistern includes flushing and refilling valves, an overflow member and a common support having quick release coupling means for easy mounting and dismounting of said apparatus and said overflow memb...	07/20/1976

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Class 4/391 - Float connected or float type valve