| Patents for F16K 15 - Check valves (18,131) |
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| 02/24/2011 | US20110041941 Shock absorber valve with spring arrangement |
| 02/24/2011 | US20110041930 Pressure relief valve |
| 02/24/2011 | DE102009048484B3 Valve assembly for providing function of controllable return valve, has main valve for controlling flow of fluid between two working connections, where main valve has valve piston which is guided between outlet and blocking positions |
| 02/24/2011 | DE102009028588A1 Wasserführendes Hausgerät Water-conducting domestic appliance |
| 02/24/2011 | DE102009028587A1 Wasserführendes Hausgerät Water-conducting domestic appliance |
| 02/24/2011 | CA2771350A1 Self aligning mud saver valve seat |
| 02/23/2011 | EP2286870A1 Disposable steam sterilisable medical valve |
| 02/23/2011 | EP1809934B1 Valve |
| 02/23/2011 | CN101980910A Ventilator arrangement for gravitational fluid discharge via high and low pressure phase |
| 02/23/2011 | CN101979843A One-way valve for engine |
| 02/22/2011 | US7891374 Suction valve |
| 02/21/2011 | CA2712982A1 Self-bailing watercraft valve |
| 02/17/2011 | WO2011019559A2 Tubular actuator, system and method |
| 02/17/2011 | WO2010123889A3 Flowline flapper valve |
| 02/17/2011 | US20110038747 Automatic volume ratio variation for a rotary screw compressor |
| 02/17/2011 | US20110037009 Non-return valve |
| 02/17/2011 | US20110036433 Relief Valves for Fuel Cell Systems |
| 02/17/2011 | US20110036432 Casting Machine and Casting Machine Valve |
| 02/17/2011 | US20110036423 Relief Valve Device |
| 02/17/2011 | US20110036422 Air over oil lubrication device |
| 02/17/2011 | US20110036408 Check valve apparatuses and methods |
| 02/17/2011 | DE102009026222A1 Valve arrangement for temporarily locking of opening formed in body component of vehicle, has standard device of sealing surface that is disposed relative to main symmetry axis or to another main symmetry axis in valve element |
| 02/17/2011 | DE10055381B4 Lenkungsdämpfer für eine hydraulische Servolenkung Steering damper for a hydraulic power steering |
| 02/17/2011 | CA2770061A1 Tubular actuator, system and method |
| 02/16/2011 | EP2283227A1 Spring retaining sleeve |
| 02/16/2011 | EP2283211A2 Air over oil lubrication device |
| 02/16/2011 | EP1957838B1 Non-return valve |
| 02/16/2011 | CN201748748U Refrigerating device |
| 02/16/2011 | CN201748014U Gate valve with check double loose joints |
| 02/16/2011 | CN201747999U Air inflation device for air spring |
| 02/16/2011 | CN201747998U Multi-purpose integrated valve |
| 02/16/2011 | CN201747997U High pressure grease injection valve |
| 02/16/2011 | CN201747996U Fire retardant check valve of heavy-pressure valve sheet closed clip lock |
| 02/16/2011 | CN201747995U Novel fireproof check valve for flue |
| 02/16/2011 | CN201747994U Socket joint lift check valve |
| 02/16/2011 | CN201747993U Valve rod assembly for check valve interiors |
| 02/16/2011 | CN201747992U Air passage one-way valve with adjustable length of valve body |
| 02/16/2011 | CN201747507U Buffer type disc form ball float valve |
| 02/16/2011 | CN201745875U Improved vacuum bag valve |
| 02/16/2011 | CN101978199A Maximum pressure hydraulic valve |
| 02/16/2011 | CN101975294A Separated fire-proof check valve |
| 02/16/2011 | CN101975293A Micro-pressure check valve |
| 02/16/2011 | CN101706013B Pressure-limiting valve and method for opening and closing same |
| 02/16/2011 | CN101298298B Flow monitoring type non-return flap apparatus |
| 02/10/2011 | US20110034907 Device for providing anti-reflux in a body fluid collection and/or sampling system, and method of manufacturing such a device |
| 02/10/2011 | US20110033313 Air Flow Control Apparatus |
| 02/10/2011 | US20110030823 Diverter valve |
| 02/10/2011 | US20110030819 Aerating Bag |
| 02/10/2011 | DE102009036778A1 Control drive for internal-combustion engine, has valve seat exhibiting radius and contact diameter that are larger than diameter of valve ball i.e. hollow ball, where valve ball is made of ceramic material e.g. silicon nitride |
| 02/10/2011 | DE102009036775A1 Control assembly for internal combustion engine, has valve spring whose one end is supported as pressure spring on ball, and another end is supported on retainer for hub of ball, where diameter of hub of ball is in specific range |
| 02/10/2011 | DE102004007662B4 Druckregelventil für eine hydraulische Einrichtung und Verwendung des Druckregelventils Pressure control valve for a hydraulic setting up and using the pressure control valve |
| 02/09/2011 | EP2282089A1 Hydraulic valve |
| 02/09/2011 | CN201739591U Water-saving check valve |
| 02/09/2011 | CN201739583U Self-operated hydraulic control emergency cut-off valve |
| 02/09/2011 | CN201739582U One-way valve |
| 02/09/2011 | CN201739581U Lifting check valve capable of being mounted at any angle |
| 02/09/2011 | CN201739580U Safety valve of water heater |
| 02/09/2011 | CN201739579U Chlorine cross-flow check valve |
| 02/09/2011 | CN201739578U Flap valve |
| 02/09/2011 | CN201739577U Fire-fighting check valve |
| 02/09/2011 | CN201739576U Socket joint swing check valve |
| 02/09/2011 | CN201739575U Bivalve floating box flap valve |
| 02/09/2011 | CN201739574U Right angle type backflow preventing device |
| 02/09/2011 | CN201739573U Backflow preventer for water meter |
| 02/09/2011 | CN201739572U Miniature backflow preventer |
| 02/09/2011 | CN201739571U Thread-type lifting check valve |
| 02/09/2011 | CN201739570U Automatic exhaust valve |
| 02/09/2011 | CN201739569U Preventer for backflow of liquid |
| 02/09/2011 | CN201739529U Automatic internal/external cylinder closing valve for gas propeller |
| 02/09/2011 | CN201739030U EGR (Exhaust Gas Recirculation) valve with double check valves |
| 02/09/2011 | CN101968133A Multifunctional automatic pressure-reducing anti-explosion valve core |
| 02/09/2011 | CN101968132A Check valve sealing structure |
| 02/09/2011 | CN101603608B Integrated aqueous medium one-way valve |
| 02/08/2011 | US7882836 Diaphragm valve for a respirator |
| 02/03/2011 | WO2011013285A1 Liquid supply device using check valve and reactive liquid chromatography system |
| 02/03/2011 | WO2011012581A1 Non-return valve |
| 02/03/2011 | US20110028853 Check valve structure, diaphragm pump, and sphygmomanometer |
| 02/03/2011 | US20110023982 Fuel System |
| 02/03/2011 | US20110023969 Water saving device and method of using same |
| 02/03/2011 | US20110023425 Pressure Regulation Control Assembly; Crankcase Ventilation Filter Assembly Including Pressure Regulation Control Assembly; Components; and, Methods |
| 02/02/2011 | CN201731155U Automatic inlet valve of water tank |
| 02/02/2011 | CN201731138U Automatic water receiving controller |
| 02/02/2011 | CN201731137U Fireproofing check valve of kitchen exhaust airway |
| 02/02/2011 | CN201731124U Waterproof inflatable device |
| 02/02/2011 | CN201731123U Transformer leakproof energy-saving air-release valve |
| 02/02/2011 | CN201731122U Structure of check valve |
| 02/02/2011 | CN201731121U Pumping non-return valve |
| 02/02/2011 | CN201731120U 单向阀 Check valve |
| 02/02/2011 | CN201731119U Positive pressure dense-phase pneumatic conveying one-way valve |
| 02/02/2011 | CN201731118U Plug-in mounting type hydraulic-control one-way valve |
| 02/02/2011 | CN201731117U One-way anti-blockage valve |
| 02/02/2011 | CN201731114U Main pipe line injection valve |
| 02/02/2011 | CN201731103U Adjustable valve capable of preventing water meter from self-rotating |
| 02/02/2011 | CN201731079U 注射阀 Injection valve |
| 02/02/2011 | CN201730982U Gas control apparatus for braking system of truck |
| 02/02/2011 | CN201730809U Air charging device for swimming articles |
| 02/02/2011 | CN101963249A High temperature micro-resistance slow closure check valve |
| 02/01/2011 | US7878360 Container for sealant for pneumatic tires |
| 01/27/2011 | US20110021977 Valve assembly |
| 01/27/2011 | US20110017931 Ball valve |