| Patents for F16K 15 - Check valves (18,131) |
|---|
| 04/23/2008 | CN201050621Y One-way valve resistant to strong acid and alkali |
| 04/23/2008 | CN201050620Y Air leakage-resisting tube valve core |
| 04/23/2008 | CN101165379A Air valve |
| 04/23/2008 | CN100383377C Pressure regulator |
| 04/22/2008 | US7360557 Low pressure drop check valve |
| 04/22/2008 | US7360556 Check valve |
| 04/22/2008 | CA2535684C Wall hydrant having backflow preventor |
| 04/22/2008 | CA2302713C Backflow valve |
| 04/17/2008 | WO2007057917A8 Transformer conservator isolation valve (tciv) |
| 04/17/2008 | US20080087332 Active intake pressure control of downhole pump assemblies |
| 04/17/2008 | DE202007012681U1 Rückschlagventil, insbesondere für medizinische Anwendungen Non-return valve, in particular for medical applications |
| 04/17/2008 | DE10362162B4 Ölabscheidevorrichtung für eine Brennkraftmaschine Oil separation apparatus for an internal combustion engine |
| 04/16/2008 | EP1910680A1 Automatic inlet check valve release in a paint pump |
| 04/16/2008 | CN101162061A Automobile tyre central inflation-deflation over-flow shuttle valve |
| 04/16/2008 | CN100381737C Bidirectional non-return valve |
| 04/16/2008 | CN100381736C Fast coupling unit with integrated check valve |
| 04/15/2008 | US7357373 Pilot-type two-port valve |
| 04/15/2008 | US7357152 Releasable non-return valve |
| 04/15/2008 | CA2175259C Self-sealing flexible plastic valve with curled inlet |
| 04/11/2008 | CA2568098A1 Backwater valve assembly with removable valve member |
| 04/10/2008 | WO2008043093A2 Automatic flow control regulator valve |
| 04/10/2008 | WO2008042994A2 Inflation stem with blow-off valve to prevent overinflation |
| 04/10/2008 | WO2008042307A2 Quiet fluid supply valve |
| 04/10/2008 | WO2008041669A1 Mask device with blower |
| 04/10/2008 | WO2008011814A8 A sealing structure of a conic valve |
| 04/10/2008 | US20080083464 Check valve for vacuum sewage pipe and vacuum sewage system |
| 04/10/2008 | US20080083463 Automatic flow control regulator valve |
| 04/10/2008 | CA2664973A1 Mask device with blower |
| 04/10/2008 | CA2664755A1 Quiet fluid supply valve |
| 04/09/2008 | EP1909007A1 Transmission device for vehicle |
| 04/09/2008 | EP1908612A1 Two-way fluid check valve |
| 04/09/2008 | EP1725412B1 Wheel having temperature compensated and controlled pressure |
| 04/09/2008 | EP1656055B1 A device for underpressure-activated dispensing of fluids |
| 04/09/2008 | CN201045422Y Non-return valve |
| 04/09/2008 | CN101160485A On-off valve device for fluid |
| 04/09/2008 | CN101158415A Vehicle safety gas nozzle |
| 04/09/2008 | CN101158414A Sewage water back valve |
| 04/09/2008 | CN100380033C Back-pressure balancing minimum pressure valves |
| 04/08/2008 | US7353843 Sequencing valve and hydronic system |
| 04/08/2008 | US7353842 Air fitting with an integral check valve |
| 04/08/2008 | CA2295269C Torsion spring connections for downhole flapper |
| 04/04/2008 | CA2563442A1 Tire valve |
| 04/03/2008 | WO2008039739A2 Foot pedal controlling flow of liquid fluid in arthroscopic surgery |
| 04/03/2008 | US20080078460 Positioning Device for Pressure Regulator |
| 04/03/2008 | US20080078459 Rotary hydraulic damper for check valve |
| 04/03/2008 | US20080078450 Inflation stem with blow-off valve to prevent overinflation |
| 04/02/2008 | EP1906068A1 Engineered composite quiet check valve |
| 04/02/2008 | EP1906019A2 Non-return valve for metering pumps |
| 04/02/2008 | EP1904774A2 Passive control valve for use with a pressurized vessel for a liquid droplet system |
| 04/02/2008 | EP1904773A2 Expulsion valve assembly |
| 04/02/2008 | EP1629197A4 Compressor improvements |
| 04/02/2008 | EP1624839B1 A portable hand-operable device for applying pneumatic pressure pulses to an ear canal |
| 04/02/2008 | EP1509714B1 Pressure control valve |
| 04/02/2008 | CN201043627Y Sealed check valve of smoke discharging machine |
| 04/02/2008 | CN201043626Y Titanium, zirconium material butterfly type check valve |
| 04/02/2008 | CN201043625Y Automatic non-return wind valve of pipe type discharge flue |
| 04/02/2008 | CN201043624Y Integral check value |
| 04/02/2008 | CN101156009A 阀与泵的改进 Improved valve and the pump |
| 04/02/2008 | CN101155606A Valve, especially for a breast cup set |
| 04/02/2008 | CN100378385C 调节阀 Regulating valve |
| 04/01/2008 | US7350541 Leakproof one-way valve for use with vacuum attachment |
| 04/01/2008 | US7350538 Method of preventing inadvertent inflation of an inflatable prosthesis |
| 04/01/2008 | US7350535 Valve |
| 04/01/2008 | US7350534 Hollow ball valve assembly |
| 03/27/2008 | WO2008034879A1 Oil control valve |
| 03/27/2008 | US20080072974 Engineered composite quiet check valve |
| 03/27/2008 | US20080072973 Rotary pneumatic damper for check valve |
| 03/27/2008 | US20080072970 Foot Pedal for Controlling Flow of Liquid Fluid in Arthroscopic Surgery |
| 03/27/2008 | US20080072965 Valve device for sanitary fitting and sanitary fitting |
| 03/27/2008 | DE202008001458U1 Hochdruckventilanordnung High pressure relief valve assembly |
| 03/27/2008 | DE102006045448A1 Check valve for injection device i.e. field syringe, has valve body designed and arranged in housing such that contact surface aligned in its position closing for free cross-section is null for counter pressure in counter pressure area |
| 03/27/2008 | CA2663647A1 Composite cushion with compression modulated valve and valve assembly there for |
| 03/27/2008 | CA2662360A1 Automatic stop cock valve |
| 03/26/2008 | EP1902214A1 Pressure relief device |
| 03/26/2008 | EP1725797B1 Valve |
| 03/26/2008 | EP1545912A4 Air flow control apparatus |
| 03/26/2008 | CN201041249Y Multifunctional automatic inflation tyre-repairing device valve lid assembly |
| 03/26/2008 | CN201041248Y Seepage proof check water-discharging valve for water conservancy trench |
| 03/26/2008 | CN201041247Y Flue fire-proof check valve |
| 03/26/2008 | CN201041246Y Gas-liquid check-valve |
| 03/26/2008 | CN201041244Y Solar-energy water heater valve |
| 03/26/2008 | CN100376830C EP2 gaseous core |
| 03/20/2008 | WO2008032062A1 A valve |
| 03/20/2008 | WO2008031830A1 Liquid tank venting system |
| 03/20/2008 | US20080066816 Automatic stop cock valve |
| 03/20/2008 | US20080066815 One-way elastomer valve |
| 03/20/2008 | US20080066810 Anti-siphon control valve |
| 03/20/2008 | US20080066460 Vehicular hydraulic system with priority valve and relief valve |
| 03/19/2008 | CN201037562Y Bivalve check valve |
| 03/19/2008 | CN201037561Y Fireproof check valve |
| 03/19/2008 | CN101144551A Automobile tyre rim valve |
| 03/19/2008 | CN101144550A Tipping plate energy-saving type multifunctional valve |
| 03/13/2008 | WO2008003279A3 Vacuum pump, injection mold for said pump housing, method for the production of the pump housing, and method for the production of a pump housing comprising two seals produced in one operation |
| 03/13/2008 | WO2007103229A3 Virtual heart valve |
| 03/13/2008 | US20080061257 Electric motor actuated stop and self-closing check valve |
| 03/12/2008 | EP1897585A1 Anti-siphon control valve |
| 03/12/2008 | EP1896699A1 Control valve for a device for variably adjusting the valve timing for gas exchange valves in an internal combustion engine |
| 03/12/2008 | EP1896143A2 Diaphram latch valve |
| 03/12/2008 | CN101142451A Transcritical refrigeration with pressure addition relief valve |
| 03/12/2008 | CN101138945A Explosion-proof air valve of tyre |