| Patents for F16K 15 - Check valves (18,131) |
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| 11/05/2009 | US20090272871 Vehicle seat having a device for controlling a pneumatic suspension system |
| 11/05/2009 | DE102008022339A1 Flow control valve upper section, has spindle axially adjustably mounted in head piece and accommodating reverse piston, where reverse piston is held in spindle over snap ring and exhibits section limited by passages on both sides |
| 11/04/2009 | EP1753989B1 Check valve |
| 11/03/2009 | US7610930 Discharge valve for downhole pumps |
| 11/03/2009 | US7610929 Air bag inflation/ deflation system |
| 10/29/2009 | WO2009080634A3 Blocking element for fluid media, non-return flap comprising a blocking element, and structural unit formed therefrom |
| 10/29/2009 | US20090266434 Method and Apparatus to Facilitate Determining Proper Placement of a Liquid |
| 10/29/2009 | DE102009017529A1 Rückschlagventil für Fluide Check valve for fluids |
| 10/28/2009 | EP2111884A1 Trocar seal system |
| 10/28/2009 | EP1779009B1 Check valve |
| 10/27/2009 | US7607641 Microfluidic valve mechanism |
| 10/22/2009 | WO2009128394A1 Non-return valve structure, diaphragm pump, and blood pressure meter |
| 10/22/2009 | WO2009127019A1 Non-return valve for a fuel tank |
| 10/22/2009 | WO2009066980A3 An improved micro check valve |
| 10/22/2009 | US20090261507 Rotary moulding |
| 10/22/2009 | US20090261130 Valve Arrangement for a Pressurised Fluid Container |
| 10/22/2009 | DE102009016081A1 Überstromventil Overflow valve |
| 10/21/2009 | CN201330873Y Swing check valve capable of realizing hermetic sealing |
| 10/21/2009 | CN201330710Y One-way valve of electric braking air compressor exhaust port |
| 10/21/2009 | CN201330709Y Inverted valve for air compressor |
| 10/20/2009 | CA2550098C Pressure relief device with increased flow rate |
| 10/15/2009 | WO2009126193A1 Valve assembly |
| 10/15/2009 | WO2009124621A1 Throttle device and fuel cell system or fuel supply system comprising a throttle device |
| 10/15/2009 | WO2009090430A3 Flow control device using a diaphragm |
| 10/15/2009 | US20090257688 One-way valve with flapper for vacuum bag |
| 10/15/2009 | US20090256100 Vacuum valve device for bag |
| 10/15/2009 | US20090255590 Disc Check Valve |
| 10/15/2009 | CA2716668A1 Valve assembly |
| 10/14/2009 | EP2108869A2 Check valve |
| 10/14/2009 | EP1644633B1 Pressure maintaining valve, tool, set and fuel injection system |
| 10/14/2009 | CN201326793Y One-way valve of manual oil pump |
| 10/14/2009 | CN201326789Y Automobile tire valve |
| 10/14/2009 | CN201326788Y Two-stage damping axial-flow type check valve with adjustable closing time |
| 10/14/2009 | CN201326787Y One-way valve for ventilation of air compressor |
| 10/14/2009 | CN201326786Y Specific check valve for low-pressure combustible gas |
| 10/14/2009 | CN201326785Y Absorption type drier air outlet check valve current limiter component |
| 10/14/2009 | CN201326167Y Free double-sided reverse slap door |
| 10/14/2009 | CN101557701A Foam silicone parts in irrigation emitters |
| 10/14/2009 | CN101555955A Pipeline flexible check valve |
| 10/14/2009 | CN101555954A Check valve |
| 10/13/2009 | US7600534 Valve closing device |
| 10/13/2009 | US7600533 Microfluidic valve having free-floating member and method of fabrication |
| 10/13/2009 | US7600532 Check valve having integrally formed seat and seal body |
| 10/13/2009 | US7600531 Valve with check valve |
| 10/13/2009 | US7600530 Connector with check valve and method of use |
| 10/13/2009 | CA2276560C Fluid injector |
| 10/08/2009 | US20090250123 Check valve |
| 10/08/2009 | DE102008017252A1 Check valve has return valve pitch, which has seat pin movable opposite to valve seat, and operating pitch, which has hydraulically adjustable auxiliary piston |
| 10/07/2009 | EP2107286A2 Fast response check control valve |
| 10/07/2009 | EP2106504A1 Vacuum pump with an outlet lip valve |
| 10/07/2009 | EP1694992B1 Connector assembly for flexible inflatable articles |
| 10/07/2009 | CN201322135Y On-line replacement-type pipeline single-flow valve and replacement device thereof |
| 10/07/2009 | CN201322119Y Pressure-relief one-way valve |
| 10/07/2009 | CN201321450Y Buoyancy check valve |
| 10/07/2009 | CN101553664A Quiet fluid supply valve |
| 10/07/2009 | CN100547179C Valve for preventing backflow |
| 10/07/2009 | CN100546664C Seal positioning assembly |
| 10/06/2009 | CA2526552C Check valve |
| 10/01/2009 | WO2009118318A1 Vacuum cleaner with vacuum valve |
| 10/01/2009 | WO2009117788A1 Minimum pressure valve |
| 10/01/2009 | US20090242046 Valve module |
| 10/01/2009 | DE102008015533A1 Pump connector device for inflation valves, has at least two sleeves, engaged with valve elements, which are engaged within housing to receive inflation valves and compressed to grasp same valves |
| 10/01/2009 | CA2697676A1 Minimum pressure valve |
| 09/30/2009 | EP2105667A2 Piston anti-lift valve |
| 09/30/2009 | EP2005004B1 Compressor assembly comprising a valve unit in the intake region |
| 09/30/2009 | CN201318485Y Novel inflating valve |
| 09/30/2009 | CN201318484Y Novel valve core |
| 09/30/2009 | CN201318483Y In-built diaphragm drainage-type backflow preventer |
| 09/30/2009 | CN201318482Y Unidirectional elastic valve and fluid conveying appliance applied to unidirectional elastic valve |
| 09/30/2009 | CN201318481Y Simple check valve for draining of slurry pump |
| 09/30/2009 | CN201318480Y Energy-saving tilting disk check valve |
| 09/30/2009 | CN100545532C Air exhausting pipe check valve with natural ventilating and speed variable function |
| 09/24/2009 | US20090238496 Air enlcosure and check value thereof capable of being filled with high pressure air |
| 09/24/2009 | US20090235993 Flow rate control device |
| 09/24/2009 | DE112007002431T5 Leckagefreies Hochdruckdosierventil mit variablem Durchsatz Leak-free Hochdruckdosierventil variable rate |
| 09/23/2009 | EP2103550A2 Air enclosure and check valve capable of being filled with high pressure air |
| 09/23/2009 | EP2102536A1 Valve device |
| 09/23/2009 | EP2102483A1 Reservoir for a fuel tank |
| 09/23/2009 | EP1604135B1 Non-return valve |
| 09/23/2009 | CN201314398Y Automatic control damping chip device for air valve of inflatable life jacket |
| 09/23/2009 | CN201314397Y Anti-leakage valve without flow blockage |
| 09/23/2009 | CN101539352A Time-division variable-temperature cycle refrigeration (hot) water device and applications thereof |
| 09/23/2009 | CN101539215A Novel flue check valve |
| 09/22/2009 | US7591450 Valve body and seal assembly |
| 09/17/2009 | WO2009114841A2 Balancing cage and proportioning disc valves |
| 09/17/2009 | WO2009112197A1 Gas flow monitor |
| 09/17/2009 | WO2009112035A1 An inflatable unit |
| 09/17/2009 | US20090232669 Refrigerant Compressor |
| 09/17/2009 | US20090229680 Plug Structure of a Coupler |
| 09/17/2009 | US20090229677 Pump connector device for different valves |
| 09/17/2009 | DE112007002409T5 Sperrventil für Vakuumabwasserrohr und Vakuumabwassersystem Shut-off valve for vacuum sewage pipe and vacuum sewer system |
| 09/17/2009 | CA2717238A1 Gas flow monitor |
| 09/16/2009 | CN201310663Y Anti-freezing type swing check valve |
| 09/16/2009 | CN201310662Y Manual-control one-way valve |
| 09/16/2009 | CN101532580A Pressure different blockage charge valve with a plurality of air chambers and matched combined valve nozzle |
| 09/15/2009 | US7588048 Air pump nozzle |
| 09/15/2009 | US7588047 Compressor bypass valve for use in multistage supercharging |
| 09/11/2009 | WO2009110964A2 Dual seating quick connect valve |
| 09/11/2009 | WO2009109790A2 Nozzle |
| 09/10/2009 | US20090223576 Check valve |