"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 8074303 | Noise reducing valve for toilet systems The components used in this invention has never been utilized in this special type of arrangement ever before. This new “Noise Reducing Valve for Toilet Systems” does not exist and cannot be found anywhere. Once available to the public it will be very use... | 12/13/2011 |
| 7895684 | Canister flush valve A canister type flush valve has an upright cup-shaped hollow float working under buoyancy forces without a captured air volume that controls the valve during a flush cycle. Hooded bleed openings at a bottom wall of the float can be sized and numbered to selectively ... | 03/01/2011 |
| 7676858 | Flush valve A flush valve for a toilet has a valve body with a flow passage that narrows non-linearly down from the valve seat. The flow passage is formed by a surface that follows a polynomial expression so as to define a computationally derived flow profile that more closely ... | 03/16/2010 |
| 7640603 | Cistern outlet valve mounting bracket assembly and a method of installing an outlet valve in cistern A cistern outlet valve mounting bracket assembly (10). The assembly includes first and second bracket members (12, 14) adapted for positioning about an outlet valve (20) in engagement with each other and the valve (20). The members (12... | 01/05/2010 |
| 7636958 | Flush valve with adjustable overflow tube and method for installing a toilet valve The present invention provides an improved top mounted toilet flush valve and a method for installing the flush valve that can be readily adapted to the tank profile of a wide variety of gravity operated flush toilets. More specifically, in accordance with the objec... | 12/29/2009 |
| 7634821 | Canister flush valve A canister type flush valve has an upright cup-shaped hollow float working under buoyancy forces without a captured air volume that controls the valve during a flush cycle. Hooded bleed openings at a bottom wall of the float can be sized and numbered to selectively ... | 12/22/2009 |
| 7434275 | Apparatus for selectively preventing flushing of a toilet Apparatus for selectively preventing flushing of a toilet includes a flush handle mounted on the tank of the toilet and structure in the tank interior for engaging a float of the water inlet valve control assembly of the toilet when the flush handle is actuated. A l... | 10/14/2008 |
| 7353547 | Discharge valve for a flushing cistern The discharge valve for a flushing cistern (1) has a main valve (V) with a main valve body (3) which forms a piston above which a relief chamber (4) is arranged. By means of a first auxiliary valve (HV1), the relief chamber (4) can... | 04/08/2008 |
| 7322053 | Pressurized toilet cistern A toilet-flushing (1) device comprises a container (2) divided by an elastic diaphragm (3) with a direct unrestricted connection to a water supply under pressure at the lower part of the container (2), with a flushing valve (15) al... | 01/29/2008 |
| 7210498 | “Toilet king” automatic water limiting supply shut off safety valve flo-control A geared mechanical device designed to limit a finite amount of water per flush to a tank reservoir of the common household toilet, providing positive shutoff of flow and anti-siphon back flow prevention. The toilet is flushed, the actuator lever opens the flo-contr... | 05/01/2007 |
| 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 |
| 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 |
| 6964405 | System and method for improved installation and control of concealed plumbing flush valves The invention provides a radio frequency (RF) valve control system that replaces mechanical systems that physically links a button or a handle to a flush valve or hard wired electronic control systems that physically links a sensor/electronic switch to a valve actua... | 11/15/2005 |
| 6962163 | Dual-float snap-action flush valve A liquid level control apparatus for a flush tank includes a valve mechanism communicating with a fill tube and operable between open and closed conditions, two floats, at least one of which is coupled to the valve mechanism for closing it when the at least one floa... | 11/08/2005 |
| 6934976 | Toilet flusher with novel valves and controls A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ... | 08/30/2005 |
| 6935806 | Hinged annular shaft flange An annular shaft flange that can be positioned along the length of a shaft and secured to the shaft to prevent movement of an article along the length of the shaft. The annular shaft flange includes a pair of nesting ends that are attachable to each other using a me... | 08/30/2005 |
| 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 |
| 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 |
| 6874172 | Dual discharge valve A dual discharge valve for immersion in fluid, in a cistern includes a housing having an upper portion and a lower portion. An upwardly movable main valve assembly within the housing forms therewith a variable volume upper chamber and lower chamber. A first vent mea... | 04/05/2005 |
| 6785914 | Toilet bowl washer fluid reservoir drain valve spacer body A toilet bowl washer fluid reservoir drain valve spacer body is capable of mounting flapper action valves. The toilet bowl washer fluid reservoir drain valve spacer body includes a main body section which has a cone shape and is capable of being seated on a upper ed... | 09/07/2004 |
| 6732386 | Rinse fluid valve for a vacuum toilet A rinse fluid valve for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle with a rinse fluid dispenser associated therewith and a source of rinse fluid. The rinse fluid valve has a housing with an inlet in fluid communi... | 05/11/2004 |
| 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 |
| 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 |
| 6637043 | Replaceable flush valve seat assembly The replaceable flush valve seat assembly of the present invention comprises a circular seal which is engaged to and upon a sealing surface of a flush valve body within a tank of a toilet by a seat comprising a ring which fits over the seal and engages a ... | 10/28/2003 |
| 6453479 | Flusher having consistent flush-valve-closure pressure A tank-type flusher including an intake valve, a diaphragm-operated flush valve, a pressure control mechanism. The intake valve is connected to an external water source and constructed to close water flow to a water storage tank at about a predefined wate... | 09/24/2002 |
| 6434765 | Top mount plumbing fixture A plumbing fixture adapted to be installed from the top side of a sink deck through a sink deck opening includes a housing having a body portion which is adapted to extend through the sink deck opening and below the sink deck when mounted. The housing has... | 08/20/2002 |
| 6370707 | Supply-line-sealed flush controller A remote valve (46) controls relief of pressure by way from a pilot-valve chamber (38) whose pressure in turn controls pressure relief pressure chamber (24) by which a pressurized-water source holds a flush valve (12) seated in a flush opening at the base... | 04/16/2002 |
| 6349424 | Rinse fluid valve for a vacuum toilet A rinse fluid valve for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle with a rinse fluid dispenser associated therewith and a source of rinse fluid. The rinse fluid valve has a housing with an inlet in fl... | 02/26/2002 |
| 6321395 | Timed fluid-linked flush controller By depressing a push button (42), a toilet user opens a valve (44) that permits pressure holding a flush valve (12) seated to be exhausted through a pressure-relief line (48). The pressure in the flow path by which liquid thereby leaves the outlet (46) of... | 11/27/2001 |
| 6308348 | Continuous water level controller A continuous water level controller includes a base member, a sleeve mounted in the base member, a piston assembly and an actuating linkage. A stopper is attached to one end of the shaft in the base member to close the outlet of the base member. A piston ... | 10/30/2001 |
| 6263519 | Automatic tank-type flusher Pressure from the input water line (26) holds a toilet's flush-valve member (12) in its seat so as to prevent water in the toilet tank (16) from flowing through flush ports (18) and a flush conduit (22) into the toilet bowl or urinal. To release water thr... | 07/24/2001 |
| 6237164 | Toilet tank assembly A toilet supply tank assembly having high performance flush characteristics is designed to maximize water pressure over the flush valve and to minimize fluid turbulence within the tank during a flush cycle. The tank includes a bottom interior surface whic... | 05/29/2001 |
| 6192526 | Top mounted flush valve for a toilet tank A top mounted flush valve is provided for installation in a blind drain hole in the bottom wall of a toilet tank of a conventional one-piece gravity operated toilet. The flush valve includes a generally cylindrical valve body sized for insertion through t... | 02/27/2001 |
| 6151725 | Hygienic toilet tank A toilet tank capable of use in combination with a toilet or commode to allow improved flushing operations. The toilet tank comprises a smooth inner surface and a formed bottom portion defining a tank evacuation hole at a base of the conical portion. A fl... | 11/28/2000 |
| 6148449 | Flushing means at a lavatory installation having a toilet bowl The flushing device has a flushing water tank with a closure, which is to be opened to trigger a flushing. The closure is arranged at water outlet openings of the toilet bowl. The toilet ring of the toilet bowl can thus accommodate part of the flushing wa... | 11/21/2000 |
| 5933878 | Tank device for flushing toilet bowl A tank device for flushing a toilet bowl includes a tank body in which flushing water is stored and in which a discharge opening is provided at the bottom. A discharge valve body is linked to the discharge opening at the bottom of the tank body. The disch... | 08/10/1999 |
| 5926861 | Discharge valve An improved discharge valve comprises an upper housing, an upwardly movable main valve assembly within the housing and forming with the upper part thereof a variable volume upper chamber, a restricted passage between the upper chamber and the exterior the... | 07/27/1999 |
| 5920919 | Toilet flush system A toilet system which minimizes water usage, provides improved flushing,includes a water volume control device and provides flushing when the supply water pressure is below desired levels. The toilet system includes a source of water, a feed valve which i... | 07/13/1999 |
| 5896593 | Piston flush valve A piston flush valve (10) that is installed in a toilet tank (150) and that operates in combination with a ballcock supply valve (152), a trip lever(154) and a refill tube (158). The piston flush valve (10) includes an upper section (12) which is movably ... | 04/27/1999 |