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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7389789 | Fuel accessory for fuel tank and method for internally attaching same A fuel tank made of a plastic material and fitted with at least one fuel accessory attached to an inside surface of a wall thereof, wherein the fuel accessory is attached to a predetermined site at the inside surface by fusion welding. Further there is disclosed a f... | 06/24/2008 |
| 7325565 | Backflow valve The backflow valve of the present invention includes a valve housing having a cavity therein with an inlet and an outlet to the valve cavity. A switch is in communication with the valve cavity and is moveable from an off position to an on position in response to liq... | 02/05/2008 |
| 7284567 | Liquid level controller A liquid level controller for maintaining the level of liquid in a tank at a predetermined height includes a housing with an upper and lower section wherein the upper section is connected to a liquid supply and the lower section is submerged in liquid the level of w... | 10/23/2007 |
| 7240690 | Valve assembly with overfill protection device and capacitive liquid level gauge A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection d... | 07/10/2007 |
| 7163023 | Fuel vapor vent valve float assembly and method of making same A float assembly for a multifunction fuel vapor vent valve with a float having a recess formed in the upper surface of the float with a slot formed in the side of the float and communicating with the recess. A raised surface portion is formed in the bottom of the re... | 01/16/2007 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 6766825 | Top-loaded replaceable flow control and particulate strainer A ballcock valve with a valve body mounted on a tubular riser with a valve seat which passes water from the riser. The valve body includes a base and a removable cap which enclose valve workings. A screen body passed through the valve seat has a central passage and ... | 07/27/2004 |
| 6584996 | Installing a valve in a tank A fuel tank has a recess formed on the inner surface of the upper wall. A vent valve has a mounting portion extending therefrom with a resiliently deflectable disc formed thereon and a guide disc spaced from the deflectable disc. Upon insertion into the r... | 07/01/2003 |
| 6354323 | Liquid level controller An improved liquid level controller is shown having a pneumatic pilot assembly located outside the main controller housing. A filter housing is also located outside the main housing. The controller internal components include a torque bar acted upon by a ... | 03/12/2002 |
| 6341618 | Plumbing stop valve and method of use A method for installing plumbing fixtures in a multi-story building having a waste stack includes a stop valve between the waste output of each fixture and the waste stack, the valve allowing the waste water to flow from the fixture toward the waste stack... | 01/29/2002 |
| 6244292 | Ballcock valve for water tanks A ballcock valve with a cap having an opening, and in the opening an axial groove. A valve control has a neck that fits in the opening, and a tooth that fits in the groove, so that when a shoulder on the cap and on the valve control abut, the valve contro... | 06/12/2001 |
| 6227233 | Pressurized fluid apparatus Pressurized fluid apparatus including a pressurized fluid container, a pipe arranged for flow therethrough of the pressurized fluid into the container, a valve operatively connected to an end of the pipe disposed in the container, and a float attached to ... | 05/08/2001 |
| 6109314 | Tap for compressed or liquefied gas The tap is designed for fitting onto a gas bottle and to allow both the drawing-off of gas and the filling of the bottle. To this end, the tap includes a filling circuit communicating with the inside of the bottle via a level valve which automatically clo... | 08/29/2000 |
| 6102067 | Bifurcated fill valve assembly A new Bifurcated Fill Valve Assembly for permitting removal of a fill valve from a toilet tank without disturbing the seal at the toilet tank and without disconnecting the water supply line. The inventive device includes a tank fitting extended through an... | 08/15/2000 |
| 6079438 | Valve device for controlling the filling level of cylinders and the like with liquefied gases A valve device for controlling the filling level of cylinders and the like ith liquefied gases, comprising an upper connecting body which can be coupled to a cylinder for liquefied gas and forming a tubular gas infeed element which ends with a coupling bod... | 06/27/2000 |
| 6026841 | Pressurized fluid apparatus Pressurized fluid apparatus including a pressurized fluid container, a pipe arranged for flow therethrough of the pressurized fluid into the container, a valve operatively connected to an end of the pipe disposed in the container, and a float attached to ... | 02/22/2000 |
| 6003541 | Unitary float and arm for float operated valve A fill valve for a water storage tank includes a riser assembly, a valve housing mounted on an upper end of the riser assembly, and a pilot operated diaphragm valve mounted in the valve housing. A float housing is connected to the valve housing. A float a... | 12/21/1999 |
| 5878775 | Toilet valve assembly A toilet having a water inlet valve apparatus has a flush tank with a water inlet tube connecting from a water source into the flush tank. A water cutoff is attached to the water inlet tube and has a valve seat in a floating valve element positioned in th... | 03/09/1999 |
| 5832953 | Overfill shut-off system for liquid storage tanks An improved overfill shut-off system for a liquid storage tank includes a passage having an inlet end and an outlet end, a valve seat in the passage, a plunger that is movable within the passage for the purpose of engaging the valve seat to impede flow of... | 11/10/1998 |
| 5682917 | Overflow and isolation valve An overflow and isolation valve is disclosed. The overflow and isolation valve includes a valve body having a chamber defined therein, and an integral leg member formed as part of the valve body having a proximal end on the valve body and a distal end ext... | 11/04/1997 |
| 5662138 | Drop head structure The present invention relates to a water drop structure which not only functions as a water drop but also prevents pests from intruding indoors, smell from leaking indoors, and sewage back flow when the robe is clogged. It has a main body, main drum, cont... | 09/02/1997 |
| 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 |
| 5598865 | Quick release toilet tank valve A quick release connector enables replacement of a toilet tank valve by one having little, if any, knowledge of repair or skills relating to plumbing. The toilet tank valve includes a quick release connector coupling the toilet tank valve to a source of w... | 02/04/1997 |
| 5406972 | Backwater valve A backwater valve is described which includes a liquid retaining body having a top, a bottom, a first end, a second end, opposed sides and an inner chamber. A first flow conduit extends through one of the top of the body and the first end adjacent the top... | 04/18/1995 |
| 5007450 | Add-on liquid overflow shut-off valve for tank An add-on liquid overflow shut-off valve including a valve body, a float and an arm connecting the float to the body that is insertable in fully assembled form through a standard tank lid opening, and further including a flanged end on the valve body for ... | 04/16/1991 |
| 4901753 | Float assembly valve A valve assembly of non-metallic construction which requires no tools for disassembly and servicing. A plunger provided with longitudinal channels is activated by a double arm yoke which is acted upon by the float arm. Dual ports provide paired inlet stre... | 02/20/1990 |
| 4836238 | Unitary valve filter combustion A easily manufactured unitary valve and filter assembly of compact design allows replacement of the installed particulate filter without requiring difficult dissasembly. A cylindrical mesh filter is contained in a capped receptacle in the assembly and is ... | 06/06/1989 |
| 4830042 | Liquid level control float valve A liquid level control float valve comprising a valve body having an inlet, a cap having an outlet, a drain pipe having a drain aperture, a piston member having a fluid aperture disposed in an upper plate and a disc valve disposed in the lower portion the... | 05/16/1989 |
| 4800917 | Fluid actuated gate valve assembly There is disclosed a non-electric fluid actuated gate valve assembly of the type intended for interposition between a static structure and a municipal sewer line to prevent sewer back-up in flood conditions formed by an enclosed chamber having a water inl... | 01/31/1989 |
| 4781210 | Replacement inlet valve assembly for a toilet tank A replacement inlet valve assembly for use in a toilet tank now having an inlet valve with a water inlet on the side. This invention has a ballcock-operated inlet flush valve with a bottom inlet and a generally S-shaped inlet conduit rigidly attached to t... | 11/01/1988 |
| 4762142 | Metered float controlled valve The float operated control valve includes a one-piece molded plastic valve body having a valve chamber, a first cylindrical extension defining an inlet chamber in communication with the valve chamber, a second cylindrical projection defining an outlet cha... | 08/09/1988 |
| 4735230 | Overflow valve system An overflow valve system (10) comprises a tubular housing (12) having a J-shaped pipe fitting (14) mounted therein having an injection nozzle (24) at a first pipe-fitting end (26) located in a housing bore (40) of the tubular housing near the bottom there... | 04/05/1988 |
| 4729400 | Liquid control assembly A liquid control assembly for controlling the flow of a liquid into a reservoir. A float means for shutting off the flow of liquid when the reservoir is full is provided. Also, a means for independently shutting off the flow of liquid is provided so that ... | 03/08/1988 |
| 4590960 | Hose connector adapter apparatus for evaporative cooler float valve Hose connector adapter apparatus for an evaporative cooler float valve includes an integral ferrule for sealing the float valve to the adapter and an internal hexagonally configured passageway through which the water flows and which passageway receives a ... | 05/27/1986 |
| 4543979 | Liquid level control having improved instrument air valve A liquid level control including a housing for attachment to an opening in a vessel, the housing having an inner chamber with a float extending therefrom, the float responding to changes in liquid level within the vessel, and an outer chamber including a ... | 10/01/1985 |
| 4488571 | Flow-control system with pressure-responsive valve A flow-regulating valve, with a body forming a flow channel between an entrance port and an exit port, has a shutter in the form of an apertured backing plate and an apertured slide which adjoin each other along a plane inclined or parallel to the axis of... | 12/18/1984 |
| 4471800 | Valves A float controlled valve comprises a chamber with aligned openings, a detachable cap carrying a sealing washer on one opening and a tube arranged to move under the action of the float in the second opening with a seal ring sealing it. The sealing ring is ... | 09/18/1984 |
| 4416302 | Selectively foldable side inlet ballcock A horizontal water inlet tube is inwardly connected reversely through a valve within a horizontal valve housing and from the valve housing downwardly into a generally vertical water outlet tube. The valve is controlled by a valve control arm projecting ge... | 11/22/1983 |
