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| Number | Title | Issue Date |
| 8061382 | Sanitary valve assembly A reusable sanitary valve assembly with a releasable cap or cover that disengages from the valve indicating an over-pressure situation has occurred, the cap or cover is capable of being reset, and once it is known that gas, liquid or other contaminants have possibly... | 11/22/2011 |
| 7726335 | Check valve apparatus for fuel delivery systems A check valve for a combustion engine fuel system includes a polymeric poppet valve including a valve stem and a valve head that terminates the valve stem. A valve seat is adapted for cooperation with the valve head of the poppet valve, and includes a valve seat bod... | 06/01/2010 |
| 7721757 | Discharge check valve assembly for use with hermetic scroll compressor A discharge check valve assembly for use with a hermetic scroll compressor having a compressor shell is provided. The discharge check valve assembly includes a valve housing and a valve seat located within the valve housing. The valve housing is configured to mount ... | 05/25/2010 |
| 7431048 | Backflow preventer A backflow preventer (1) is provided that, in an insertable housing (2) thereof, includes a valve member (6) located in a housing interior (5). The valve member (6) sealingly rests against a valve seat (7) in the closed posi... | 10/07/2008 |
| 7426932 | Spray fill device and method for using the same A spray fill device for delivering water to a washing machine is provided. The spray fill device includes a body defining an inlet, an outlet port, a mounting port, and a plurality of outlet apertures in flow communication with the inlet. The spray fill device also ... | 09/23/2008 |
| 7401619 | Air valve device for an inflatable article An air valve device is adapted to be fitted into an opening of an inflatable article, and includes a valve seat formed with a valve body that is disposed between an inflating port and a conduit, an axially movable member having a valve disc which is disposed in the ... | 07/22/2008 |
| 7389791 | Backflow preventer A backflow preventer (1) having a mounting housing (2) that is inserted into a fluid conduit (3) is provide and includes at least one sealing ring (4) which is supported within an annular groove (5) located on the outer circumferen... | 06/24/2008 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 7300482 | Particle separation apparatus Particle separation apparatus comprises a cyclone particle separating means, a particle collecting chamber and a fan driven by an electric motor for drawing particle laden air into and through the apparatus. A valve is provided, upstream of the suction fan driving m... | 11/27/2007 |
| 7290559 | Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine A check valve having a valve housing inserted into a receptacle in which housing a pistonlike valve member is guided longitudinally displaceably and cooperating with a valve seat on the valve housing. The valve member is urged in the closing direction by a prestress... | 11/06/2007 |
| 7264024 | Valve for closing a container, container and a system and method for filling container A valve for closing a container and for enabling the container to be filled has a housing (20) with an inlet port (30) and an outlet port (40). A closing member (60) is provided for sealingly closing the valve at the inlet port (30... | 09/04/2007 |
| 7255092 | Multilayer fuel module flange A flange 10 is provided for a fuel pump module for a vehicle. The flange includes a first portion 12 of acetal material and a second portion 14 of an acid resistant material provided directly over at least certain regions of the first portion | 08/14/2007 |
| 7207346 | Hydrostat for portable gas range Provided is a hydrostat for a portable gas range, which prevents the explosion of a gas container by automatically discharging overcompressed gas from the gas container when the inner pressure of the gas container increases to an explosion pressure. The hydrostat in... | 04/24/2007 |
| 7172175 | Suction valve A suction valve including a valve seat and a piston movably joined to the valve seat. The piston has a head for engaging the top surface of the valve seat and a stem extending downwardly from the head through the valve seat. A valve guide is positioned adjacent the ... | 02/06/2007 |
| 7143784 | Sanitary fitting A sanitary fitting (1) formed from a multi-wall housing (2) which can be inserted into a sanitary water pipe is provided that has at least two adjacent walls (6,7) surrounding an inner region (8). The fitting includes a checj valve , and ... | 12/05/2006 |
| 7128088 | Backflow preventer A backflow assembly including a housing with a passage having at least one check valve positioned therein to permit fluid flow in one direction while preventing fluid flow in the reverse direction. The check valve includes a valve head connected to a stem having an ... | 10/31/2006 |
| 7121291 | Check valve, auxiliary circulating device and method for driving the auxiliary circulating device A check valve includes a casing member, a tear-drop shaped ball member installed in the casing member, a latching member which is formed at an inner wall of the casing member and an airtight valve which is formed at an inner wall of the casing member. When forward f... | 10/17/2006 |
| 7074020 | Sanitary pump and sanitary valve A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applications. The sanitary pump may... | 07/11/2006 |
| 7028994 | Pressure blast pre-filming spray nozzle Disclosed is a nozzle assembly having a nozzle housing and a valve element axially slidable therewithin between a closed and an open position. The nozzle housing has a housing inlet and a housing outlet fluidly interconnected by a plurality of housing passages. The ... | 04/18/2006 |
| 7014170 | Seat ring for valves A valve seat assembly includes a valve body defining a cavity having an axis, the cavity having a threaded receiving portion and a conical contact surface substantially concentric with the threaded receiving portion. The valve seat assembly further includes a seat r... | 03/21/2006 |
| 7004195 | Discharge valve A discharge valve including a valve seat and a piston having a head with a bottom surface that is convex across its entirety for engaging the valve seat. The piston has a stem extending upwardly from the head away from the valve seat. A valve guide has a socket for ... | 02/28/2006 |
| 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 |
| 6968858 | Check valve The check valve according to the invention significantly reduces the generation of noise by producing an asymmetrical circulation around the closing body causing a force resulting from the flow and acting on the closing body to have a transverse component in relatio... | 11/29/2005 |
| 6899312 | Pressure relief valve for flowing media A pressure relief valve for flowing media has a closing element (6), whose closing force can be set with both the setting of the closing force and the brief release of the closing element (6) performed with a single setting element. Teeth (22, 23 | 05/31/2005 |
| 6877525 | 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... | 04/12/2005 |
| 6868860 | Fire hydrant with second valve Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include valves which close off portions of the h... | 03/22/2005 |
| 6866062 | Check valve A check valve for a compressed gas system. The valve has a body with an internal passage extending through the body and a valve seat positioned in the passage. A poppet is movable between a closed position in which the poppet engages the seat to block flow of gas th... | 03/15/2005 |
| 6837267 | Cartridge insert for a fluid line A cartridge insert for insertion in a fluid line is provided having a cartridge housing within which is located at least one backflow inhibitor and downstream at least one flow regulator. The backflow inhibitor has a closing element, which, in a closed position ther... | 01/04/2005 |
| 6755629 | Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber Low pressure fuel led from a fuel tank to a fuel injection pump is pressurized and sent out to a common rail that accumulates the pressurized fuel therein. A one-way valve that allows the low pressure fuel led from the fuel tank to flow into the fuel injection pump ... | 06/29/2004 |
| 6746001 | Desuperheater nozzle An improved nozzle assembly for spraying cooling water into superheated steam flowing through a steam pipe of a steam desuperheater includes a nozzle housing, a nozzle barrel, a valve element, and at least one valve spring. A nozzle barrel disposed within the nozzle... | 06/08/2004 |
| 6736162 | Pressure relief valve with improved repairability A repairable pressure relief valve having a valve body that forms an internal fluted surface provides improved field repairability. The internal, fluted surface is adapted to mate with a removal tool. A valve assembly is slidably mounted in the valve housing and sli... | 05/18/2004 |
| 6719544 | Valve for scroll compressor In a valve used in connection with a scroll compressor, a central profiled body is designed to protrude in an opening for outlet of gas from a compression stage, a outer axisymmetric surface of which is concave, of generally toroidal shape, and is terminated by a ti... | 04/13/2004 |
| 6698450 | Discharge valve A discharge valve including a valve seat and a piston having a head with a bottom surface that is convex across its entirety for engaging the valve seat. The piston has a stem extending upwardly from the head away from the valve seat. A valve guide has a ... | 03/02/2004 |
| 6668853 | Pressure relief valve with field-replaceable high corrosion-resistant components A pressure relief valve has a gasketed main body fastened to a vessel wall adjacent to a vent port, the body having a recess surrounding the port which receives a plastic insert removably coupled to the body by a retaining ring fastened to the main body. ... | 12/30/2003 |
| 6613096 | Prosthetic pressure relief valve system A cylindrical housing has a flange at an exterior end, male threads in an external surface remote from the flange, and a small axial hole, and female threads in an internal surface remote from the flange. A disk shaped fastener has internal threads rotata... | 09/02/2003 |
| 6581633 | Check valve and method of fabrication A check valve comprising a casing having a flange extending circumferentially around the inner periphery of the body. The flange is constructed by first drilling from a first direction at a diameter less than the predetermined diameter and then drilling f... | 06/24/2003 |
| 6340031 | Check valve for refueling pipe of fuel tank A first spring guide fitting the outer periphery of one end portion of a coil spring is provided at an end wall portion of a valve casing, and a second spring guide fitting the inner periphery of the other end portion of the coil spring is provided at a v... | 01/22/2002 |
| 6279175 | Overflow preventer An overflow preventer comprising a plug receivable in a drain hole and provided with a valve movable between a first closed position and a second open position, the valve being resiliently biased to the first position while the pressure on the valve is le... | 08/28/2001 |
| 6152171 | Check valve A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced apart elements interconnected by an annular end shoulder enga... | 11/28/2000 |
| 6039073 | Check valve A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced apart elements interconnected by an annular end shoulder enga... | 03/21/2000 |
