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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 |
| 7766036 | Discharge valve and valve assembly of reciprocating compressor having the same A discharge valve (100) of a compressor is disclosed. The discharge valve (100) contains a spring-loaded valve body (120). Valve body (120) is preferably made of nonferrous metal like aluminum or magnesium and is coated by a covering (... | 08/03/2010 |
| 7357792 | Positive push medical valve with internal seal A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val... | 04/15/2008 |
| 7310965 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 12/25/2007 |
| 7275561 | Discharging valve assembly of reciprocating compressor A discharging valve assembly for a reciprocating compressor includes a discharging cover coupled with a front frame so as to cover a cylinder in which a piston is inserted; a discharging valve inserted in the discharging cover, and opening/closing an inner space of ... | 10/02/2007 |
| 7270147 | Adjustable variable flow fertilizer valve A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the sec... | 09/18/2007 |
| 7231938 | Check valve for pump of electronically controlled brake system A check valve for a pump of an electronically controlled brake system includes a valve body provided with a fluid path, a spring seat placed in an outlet of the fluid path of the valve body, a valve rod fitted at a lower end thereof into an inlet of the fluid path o... | 06/19/2007 |
| 7159412 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 01/09/2007 |
| 7100890 | Swabbable luer-activated valve A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressures. The valve includes a substantially rigid housing that defines a passageway having an... | 09/05/2006 |
| 7096884 | Check valve A check valve comprising a poppet urged by a conical spring to annularly seal uniformly around its entire periphery to assure more uniform cracking pressure about its entire periphery. The cracking pressure may be adjusted by means of an adjustable plate which reduc... | 08/29/2006 |
| 7073346 | Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 07/11/2006 |
| 7066201 | Valve device having solid engaging structure A valve device includes a housing including a peripheral valve seat extended into a chamber, to separate the chamber into two separated spaces. A valve member includes an outer peripheral groove to receive a sealing ring for engaging with the peripheral valve seat o... | 06/27/2006 |
| 7066722 | Discharge valve for compressor A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge... | 06/27/2006 |
| 7056106 | Discharge valve apparatus for reciprocating compressor A discharge valve apparatus for a reciprocating compressor comprises a discharge cover having built-in volume so as to cover a front end surface of the cylinder; a discharge valve disposed so as to be contacted/separated to/from the front end surface of the cylinder... | 06/06/2006 |
| 7014169 | Anti-drawback medical valve A medical valve has a translating member that enlarges the volume of the interior of the valve when the valve is in an open mode (permitting fluid flow), and decreases the volume of the interior when the valve is in a closed mode (preventing fluid flow). This varyin... | 03/21/2006 |
| 6994108 | Check valve for fuel pump A check valve for a fuel pump of a vehicle includes a valve housing adapted to be disposed in an outlet member of the fuel pump and a valve seat formed on the valve housing. The check valve also includes a valve member disposed in the valve housing and having a clos... | 02/07/2006 |
| 6948516 | Excess tire air pressure relief valve An excess tire air pressure relief valve positioned on an automobile tire for relieving the pressure within the tire caused by heat or over inflation. The valve has a main tube that extends through the tire rim, to selectively communicate air from the tire interior ... | 09/27/2005 |
| 6932109 | Scavenger valve assembly A poppet scavenger valve includes multiple cages for multiple poppets, permitting better control of the spacing of the assembly, facilitating maintenance and permitting better fluid flow through the cage structure. A spacer or lift plate may be positioned between th... | 08/23/2005 |
| 6874532 | Valve for a fuel delivery unit A valve for a fuel delivery unit has a counterholder pressed into a housing. A spring is supported on the counterholder and is intended for prestressing a closing part against a valve seat. The valve according to the invention can be fitted in a particularly simple ... | 04/05/2005 |
| 6814101 | Excessive flow valve A valve which has a valve body having a through-bore to permit the flow of gas through the through-bore, an excessive flow valve disposed within the through-bore of the valve body, the excessive flow valve including a supporting tube having a plurality of struts, an... | 11/09/2004 |
| 6805154 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to open only when extreme water pressure within the inlet valve lifts a spr... | 10/19/2004 |
| 6786232 | Check valve for a piston pump A check valve for a piston pump of a traction-controlled vehicle brake system includes hollow cylindrical valve seat part and a disk-shaped valve closing body, which is embraced by a spring clip and is secured to and guided against the valve seat part. The invention... | 09/07/2004 |
| 6715471 | Electric fuel pump An electric fuel pump comprising a pump casing assembly having a fuel inlet port and an outlet port and a rotary member driven by an electric motor disposed within the pump casing assembly for pumping fuel from the outlet port. A fuel discharge port supplies the fue... | 04/06/2004 |
| 6640831 | Valve for a fuel delivery unit A valve for a fuel delivery unit has a counterholder pressed into a housing. A spring is supported on the counterholder and is intended for prestressing a closing part against a valve seat. The valve according to the invention can be fitted in a particula... | 11/04/2003 |
| 6537043 | Compressor discharge valve having a contoured body with a uniform thickness A discharge valve is provided for implementation between a discharge pressure zone and a discharge chamber. The discharge valve is operable between an open position for enabling fluid flow between the discharge pressure zone and the discharge chamber and ... | 03/25/2003 |
| 6532986 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to open only when extreme water pressure within the inlet valve ... | 03/18/2003 |
| 6513546 | Check valve The present invention provides a check valve in which correct sealing performance can be always ensured. In the check valve, a valve element 1 and a compression coil spring 2 which urges the valve element 1 in the valve closing direction are integrally mo... | 02/04/2003 |
| 6443183 | Valve and assembly for axially movable members The fluid flow check valve uses a flexure plate or plates to accommodate the valve disk's axial motion required to open and close the valve. The flexure plate also limits the disk's motion in any lateral direction, so the valve disk will align properly wi... | 09/03/2002 |
| 6284130 | Filter cartridge with clean side anti-drainback valve Described is a filter cartridge having a clean side anti-drainback valve. The filter cartridge includes an annular filter element having a hollow core with an annular valve support 40 disposed therein. The clean side anti-drainback valve includes a valve ... | 09/04/2001 |
| 6250336 | Water supply coupling with one-way valve for recreational vehicles On a recreational vehicle, a water supply coupling is provided to permit the hookup of an external water supply to the plumbing of the recreational vehicle. The coupling selectively permits one-way flow into, but not out from, the plumbing, thereby mainta... | 06/26/2001 |
| 6187182 | Filter cartridge assembly for a gas purging system The filter cartridge assembly has a valve body having an interior flow passage, a filter across the interior flow passage, and a check valve assembly in the valve body. The filter removes particulates as small as 0.003 microns. A check valve element adjac... | 02/13/2001 |
| 6135144 | Pressure relief valve assembly A pressure relief valve assembly for relieving fluid pressure in an exhaust outlet includes a deformable fluid passage in fluid communication with the exhaust outlet. The passage is blocked by a poppet disposed in the passage for discouraging fluid firm p... | 10/24/2000 |
| 6044849 | Fluid pressure relief valve with variable opening pressure A fluid pressure release valve includes an aperture through which fluid can flow. An element is movable to unseal the aperture and to open the valve when a force exerted by the fluid in the valve exceeds a predetermined force. An electromagnetic biasing a... | 04/04/2000 |
| 6039072 | Safety valve arrangement A safety valve arrangement for an installation operating with a pressure medium has a pressure medium input and a pressure medium output connected by a valve. The valve comprises a valve seat and a valve closing element. The valve closing element is movea... | 03/21/2000 |
| 5993341 | Hydraulic tensioner with a position actuated check valve assembly A hydraulic tensioner includes a check valve having a disc and stem, a slip mechanism, an anchoring piece, a stripper, and a disc seat. The check valve assembly is actuated from the position of a tensioner piston, so there is a high response.... | 11/30/1999 |
| 5850851 | Check valve and fuel tank utilizing the same A check valve (32) includes a cylindrical body (32) and a valve plate (32) attached to one end of the body (32) to open and close a flow outlet. A stepped seat element (36a) having a seat surface (36a) is formed along the periphery of the flow outlet of t... | 12/22/1998 |
| 5848605 | Check valve A corrosion resistant check valve having plastic components in the fluid path is provided. The check valve broadly comprises an inlet housing, an outlet housing, a valve poppet, and a spring. The inlet housing has an inlet passageway and the outlet housin... | 12/15/1998 |
| 5819794 | Hydraulic tensioner with a contoured disc check valve A hydraulic tensioner includes a disc check valve having a contoured surface that contacts a valve seat. The disc check valve provides a high frequency response. Additionally, the line contact between the disc and valve seat creates high contact pressure ... | 10/13/1998 |
| 5800133 | Compressor with discharge chamber relief valve A compressor has a compression chamber and a discharge region. The discharge region receives the compressed gas discharged from the compression chamber. A relief valve is mounted to inside of the wall in the discharge region. The relief valve connects the... | 09/01/1998 |
| 5755259 | Safety shut-off for gas lines The invention takes as its basis the problem of creating a safety sealing device for gas pipes by which the bearing of the valve body should be frictionless, require no maintenance and which causes only minimal flow resistance. Further the safety sealing ... | 05/26/1998 |
| 5664602 | Check valve for meter run A fluid check valve for preventing back flow of fluid through a fluid conduit. The check valve is connected in series with a meter run to enable unrestricted normal flow to occur through a passageway in the valve body, and to prevent backflow. A throat fo... | 09/09/1997 |
