Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335) |
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04/29/2009 | CN201228800Y Antifreezing tap |
04/23/2009 | DE102007050151A1 Pressure-relief switch valve i.e. two port/way valve, for use in spring system of motor vehicle, has sealing element with sealing side arranged on front side of valve piston, where element is arranged between piston and housing region |
04/21/2009 | US7520299 Valve structure and control techniques |
04/15/2009 | CN101408252A One-way overpressure self-discharging ball valve |
04/07/2009 | US7513272 Solenoid valve |
04/01/2009 | CN201215209Y Antibiotics valve |
04/01/2009 | CN201215193Y Valve core for cold water recovering type water saving constant temperature tap |
03/18/2009 | CN201209690Y Three-way change valve |
03/11/2009 | CN101382201A Backwater tap |
03/04/2009 | CN201202843Y Direct drive type electric control overlapped overflow valve |
03/04/2009 | CN201202834Y Self-pressure relief ball valve base structure |
02/18/2009 | CN201196273Y Switch ball valve |
02/18/2009 | CN101368641A Unloading type liquid-control hydraulic break valve and its opening method |
02/11/2009 | CN201193722Y Temperature adjustment mixing valve |
01/22/2009 | WO2009012020A1 Flapper mounted equalizer valve for subsurface safety valves |
01/22/2009 | US20090020291 Flapper Mounted Equalizer Valve for Subsurface Safety Valves |
01/21/2009 | CN201184425Y High pressure large caliber flat plate gate valve |
01/21/2009 | CN101349353A Pillar type valve |
01/14/2009 | CN101344187A Valve seat structure of self-decompression ball valve |
01/07/2009 | CN101338833A Direct-buried gate valve |
12/24/2008 | WO2008156998A1 Flow controlled actuator apparatus for use with self-closing stop valves |
12/24/2008 | CA2689197A1 Flow controlled actuator apparatus for use with self-closing stop valves |
12/17/2008 | CN101326392A Two-stage valve for controlling fluids |
12/11/2008 | US20080302991 Force balanced butterfly proportional hot gas valve |
12/04/2008 | WO2008147732A1 High-pressure valve |
12/04/2008 | CA2683393A1 High-pressure bi-directional valve |
12/03/2008 | CN101317031A 压力补偿方法 Pressure compensation method |
12/03/2008 | CN101315138A Water saving valve of solar energy water heater |
12/03/2008 | CN100439781C Flow control valve for refrigeration system |
11/27/2008 | WO2008141545A1 A piloted middle-high pressure gate valve |
11/27/2008 | WO2008141544A1 A self-balancing type self-compensation sealed valve |
11/27/2008 | DE102007024295A1 Ventildichtungsanordnung Valve seal assembly |
11/26/2008 | EP1995503A2 Valve seal assembly |
11/26/2008 | EP1994309A1 Valve having a rotary slide |
11/26/2008 | CN100436897C Balanced globe valve |
10/30/2008 | WO2008030948A3 Elbow plug external sleeve valve |
10/30/2008 | US20080265199 Zero leakage balance valve system |
10/15/2008 | CN101285527A Leakage-proof tap |
10/08/2008 | CN201129501Y Faucet labour-saving water separator |
10/08/2008 | CN101280851A Over pressure inner discharging type double-seal ball valve |
10/01/2008 | EP1975488A2 Solenoid valve device installed in gas tank |
10/01/2008 | CN101275683A Balance pressure technique of pressure relief pilot-actuated valve |
10/01/2008 | CN101275682A Manufacturing process of pressure relief pilot-actuated valve |
09/24/2008 | CN101273225A Faucet with spherical rotating closure |
08/28/2008 | CA2854954A1 Non-contact torque sensing for valve actuators |
08/27/2008 | CN101251201A Thermoregulation mixing valve |
08/20/2008 | CN201103727Y Balance type check valve |
08/14/2008 | US20080190499 Media control valve with pressure balance loop |
08/13/2008 | EP1954968A1 Pressure compensating method |
08/13/2008 | CN201100439Y High-performance pressure balanced rotary piston valve |
08/13/2008 | CN201100423Y Piston electromagnetic valve |
07/24/2008 | WO2008086963A1 Closure device for a pressure reservoir of a gas-refrigeration generator, which can be filled with a compressed gas |
07/24/2008 | WO2008086880A1 Relief valve for a turbocharger |
07/24/2008 | CA2673338A1 Closure device for a pressurized-gas inflatable pressure container of a cold gas generator |
07/22/2008 | US7401762 Solenoid-operated valve for use with fuel cells |
07/22/2008 | US7401627 Protection of a seal element |
07/17/2008 | WO2008050227A3 Electrovalve |
07/16/2008 | CN100402901C Horizontal valve |
07/09/2008 | CN201083281Y Self-balancing pressure difference ball valve |
07/09/2008 | CN201083272Y Auxiliary valve inner concealed butterfly valve |
07/09/2008 | CN101216120A Straight journey check valve |
07/03/2008 | WO2008032144A3 Compensated valve |
07/02/2008 | EP1938010A1 Faucet with spherical rotating closure |
06/25/2008 | CN101208551A Slide valve |
06/19/2008 | DE102007002432B3 Blow-off/relief valve for blowing off/relieving a boost pressure in a motor vehicle's turbo-supercharger with exhaust gas emissions has a cylindrical electromagnetic coil with an armature |
06/18/2008 | CN101203704A Movable bolt |
06/11/2008 | CN201071937Y Balance type pneumatic break valve |
06/04/2008 | CN201068991Y Two-position two-port electromagnetic valve |
06/04/2008 | CN100392303C Stepper motor driven fluid valve |
06/04/2008 | CN100392302C Device for the regulation of flow applied to flow valves working under pressure differential |
05/29/2008 | WO2008063073A1 Valve |
05/29/2008 | US20080121298 Shut-Off Device For A Pipe |
05/28/2008 | CN101187428A Intelligent sleeve type high temperature high voltage solenoid valve |
05/28/2008 | CN101187427A Intelligent type high temperature high voltage leakage-free solenoid valve |
05/22/2008 | US20080116409 Valve Incorporating Means for Balancing Pressures on Either Side of a Valve Member |
05/21/2008 | CN101184942A Valve assembly |
05/08/2008 | US20080104900 Ventilation system for multi-paned windows |
05/07/2008 | EP1558865B1 Gas valve |
05/07/2008 | CN201057310Y Internal discharging device of dual sealed valve |
05/07/2008 | CN201057283Y Oxygen flame-proof balanced type break valve |
04/30/2008 | EP1687556A4 Balanced globe valve |
04/09/2008 | CN101160485A On-off valve device for fluid |
03/26/2008 | CN201041233Y Multi-stage opening electromagnetic valve |
03/20/2008 | CA2662459A1 Compensated valve |
03/19/2008 | CN100375856C Balance type valve of electric valve |
03/13/2008 | DE19823160B4 Ventildichtungsmechanismus Valve seal mechanism |
03/05/2008 | CN101135382A Normally open mixing delivery electromagnetic valve |
03/05/2008 | CN101135381A Normally closed mixing delivery electromagnetic valve |
02/27/2008 | CN201028041Y Self-balancing self-compensating sealing ball valve |
02/27/2008 | CN201028020Y Pilot-operated high-pressure sluice valve |
02/20/2008 | EP1697670B1 Fluid product spray head and distributing pump comprising this spray head |
02/20/2008 | CN101126459A Assistant valve concealed type butterfly valve |
02/13/2008 | CN100368716C Pilot operated axial flow valve |
02/06/2008 | CN101120152A Equalizing flapper for high slam rate applications |
01/30/2008 | CN201013908Y Gas emergency isolating valve |
12/27/2007 | US20070295927 Pressure-balanced valve and actuator assembly in a process control system and method |
12/26/2007 | CN100357639C Induced water-saving awter-tap for environmental protection |
12/18/2007 | US7309113 Flow control system for a valve |
12/12/2007 | EP1864040A1 Valve assembly |
12/12/2007 | CN200989447Y Self-operated balancing stop valve |