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Class Information
Number: 251/333
Name: Valves and valve actuation > Reciprocating valve > Particular head and seat cooperation
Description: Devices in which both the head and seat surfaces which constitute the valve interface are so constructed that they mutually cooperate to produce the valving action.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7413164 |
Sealing member |
Aug. 19, 2008 |
| 7387135 |
Valve assembly having rigid seating surfaces |
Jun. 17, 2008 |
| 7377758 |
Fluid pump |
May. 27, 2008 |
| 7357371 |
Isolation valve seal |
Apr. 15, 2008 |
| 7344119 |
Solenoid valve |
Mar. 18, 2008 |
| 7234483 |
Electro-pneumatic air pressure regulator |
Jun. 26, 2007 |
| 7228875 |
Seal and bleed valve unit for electric batteries |
Jun. 12, 2007 |
| 7222837 |
Valve body with integral seal retention groove |
May. 29, 2007 |
| 7222637 |
Connector equipped with a valve |
May. 29, 2007 |
| 7182056 |
Inverted poppet valve for internal combustion engine |
Feb. 27, 2007 |
| 7168679 |
Electromagnetic valve |
Jan. 30, 2007 |
| 7108244 |
High-stability valve arrangement for a governor valve |
Sep. 19, 2006 |
| 7044442 |
Valve block for a control device, particularly for a hydrostatic machine |
May. 16, 2006 |
| 7028709 |
One-way valve with poppet member |
Apr. 18, 2006 |
| 7011081 |
Double-pintle emission control valve having a one-piece double-seat element |
Mar. 14, 2006 |
| 7011294 |
Vacuum valve |
Mar. 14, 2006 |
| 6997436 |
Vehicle actuator with valve seat cushioned by o-ring |
Feb. 14, 2006 |
| 6971405 |
Check valve for fuel pump |
Dec. 6, 2005 |
| 6966587 |
Self-emptying bailer |
Nov. 22, 2005 |
| 6932354 |
Valve seal assembly |
Aug. 23, 2005 |
| 6908049 |
Diesel injection nozzle |
Jun. 21, 2005 |
| 6889702 |
Replaceable valve seat ring with enhanced flow design |
May. 10, 2005 |
| 6851657 |
High pressure gaseous fuel solenoid valve |
Feb. 8, 2005 |
| 6843859 |
Dump door |
Jan. 18, 2005 |
| 6840270 |
Low deviation pressure relief valve for fuel pumps |
Jan. 11, 2005 |
| 6832626 |
Modular two way check valve construction |
Dec. 21, 2004 |
| 6823893 |
Non-return valve |
Nov. 30, 2004 |
| 6792973 |
Gas tight shut off valve for a material charging or discharging lock |
Sep. 21, 2004 |
| 6789779 |
Magnet valve, in particular for a traction-controlled hydraulic vehicle brake system |
Sep. 14, 2004 |
| 6789783 |
Fuel injection valve for internal combustion engines |
Sep. 14, 2004 |
| 6779554 |
Return check valve |
Aug. 24, 2004 |
| 6772993 |
Plug and seal assembly |
Aug. 10, 2004 |
| 6715700 |
Solenoid valve |
Apr. 6, 2004 |
| 6708951 |
Annular sealing device having a positive stop means for use in a valve member |
Mar. 23, 2004 |
| 6705589 |
Electromagnetically actuated valve, especially for hydraulic braking systems in motor vehicles |
Mar. 16, 2004 |
| 6698449 |
Replaceable valve seat ring with enhanced flow design |
Mar. 2, 2004 |
| 6695280 |
Device for pneumatic control |
Feb. 24, 2004 |
| 6691982 |
Valve body |
Feb. 17, 2004 |
| 6668861 |
Poppet valve having an improved valve seat |
Dec. 30, 2003 |
| 6668853 |
Pressure relief valve with field-replaceable high corrosion-resistant components |
Dec. 30, 2003 |
| 6637449 |
Pressure sensible valve for exhaust muffler and method of assembling same |
Oct. 28, 2003 |
| 6517076 |
Sealing method, new seal for components of fluid transfer systems, especially tubes, and their applications, especially in pumps and circuits for special fluids |
Feb. 11, 2003 |
| 6510868 |
Profiled plate valve |
Jan. 28, 2003 |
| 6491282 |
Poppet release for poppet valve of a fuel dispensing nozzle |
Dec. 10, 2002 |
| 6488050 |
Pneumatic valve assembly |
Dec. 3, 2002 |
| 6464201 |
Valve for a motor vehicle air spring having an ancillary volume |
Oct. 15, 2002 |
| 6457760 |
High speed insertion bailer having snap-in spider for valve alignment |
Oct. 1, 2002 |
| 6443420 |
Wide-ranging valve |
Sep. 3, 2002 |
| 6431209 |
Multi-pressure ball-poppet control valve |
Aug. 13, 2002 |
| 6431207 |
High-pressure ball-poppet control valve |
Aug. 13, 2002 |
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