| Patents for F16K 15 - Check valves (18,131) |
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| 03/31/2011 | WO2011035883A1 Hydraulic coupler with pin retention system for coupling an attachment to a work machine |
| 03/31/2011 | WO2010147322A3 Drain trap and device for opening/closing drain trap |
| 03/31/2011 | US20110073200 Gas regulator with valve assemblies |
| 03/31/2011 | US20110072821 Control Device and Method for a Quick-Acting Gate Valve of a Steam Turbine |
| 03/31/2011 | DE102010035252A1 Rotatable twin die head inflation device for e.g. French design tire valve, has hole connected with valve, and attachment unit with thread glued with thread of pipe such that attachment unit is rotated and another unit is rotatable |
| 03/30/2011 | EP1579133B1 Fluid control valve |
| 03/30/2011 | CN201779316U Rubber check valve |
| 03/30/2011 | CN101995121A Air conditioner |
| 03/30/2011 | CN101994863A Pressure-regulating dual anti-burst tire safety valve |
| 03/30/2011 | CN101994861A Check valve apparatuses and methods |
| 03/30/2011 | CN101994860A Electromagnetic valve and heat exchange device comprising same |
| 03/30/2011 | CN101994841A Fully-sealed welded nuclear grade valve |
| 03/30/2011 | CN101994534A Control drive for internal combustion engine |
| 03/24/2011 | US20110070063 Pressure Regulation Circuit for Turbine Generators |
| 03/24/2011 | US20110067767 Sequence valve |
| 03/24/2011 | DE102009044066A1 Fluid guiding component for internal combustion engine, is formed as fluid filter, which has filter chamber arranged in housing, where supporting dome is provided, which is attached at one of its two ends at housing |
| 03/24/2011 | DE102009029670A1 Rückschlagventil mit zwei Schließkörpern Check valve with two closing bodies |
| 03/23/2011 | EP2299155A1 Poppet valve with diverging-converging flow passage and method to reduce total pressure loss |
| 03/23/2011 | EP2299150A1 Poppet valve with sloped purge holes and method for reducing a pressure force therein |
| 03/23/2011 | EP2298659A1 Connecting structure |
| 03/23/2011 | EP2297495A2 Electro-hydraulic valve with lifting ball for variable compression ratio engine hydraulic unit |
| 03/23/2011 | EP2297494A1 Pressure controlled three way valve device |
| 03/23/2011 | EP1708781B1 Stacked membrane for pressure actuated valve |
| 03/23/2011 | CN201773324U 流量控制装置 Flow control means |
| 03/23/2011 | CN201772115U Charging valve |
| 03/23/2011 | CN201772114U Gas meter stop valve |
| 03/23/2011 | CN201772113U Backflow preventer |
| 03/23/2011 | CN201772112U Sterile check valve |
| 03/23/2011 | CN201770142U Vacuum compression bag pumpdown valve |
| 03/23/2011 | CN201767626U Automatic nonreturn type tea-making pot |
| 03/23/2011 | CN101990611A Valve assembly |
| 03/22/2011 | US7909057 Valve insert |
| 03/22/2011 | US7909056 Connector for transferring fluid and method of use |
| 03/22/2011 | CA2715327A1 A valve assembly |
| 03/17/2011 | WO2011030053A1 Pressure equalizing valve |
| 03/17/2011 | WO2010140761A3 Apparatus for preventing offensive odors for a drain |
| 03/17/2011 | US20110062156 Tank Valve Assemblies and Methods |
| 03/17/2011 | US20110061756 Duck beak valve |
| 03/17/2011 | US20110061751 Tilting Disc Swing Check Valve |
| 03/17/2011 | US20110061750 Check valve counterbalanced by flow to control opening and closing speed |
| 03/17/2011 | CA2773072A1 Pressure equalizing valve |
| 03/17/2011 | CA2678983A1 Poppet valve with sloped purge holes and method for reducing a pressure force therein |
| 03/16/2011 | EP2295225A1 Blow valve |
| 03/16/2011 | EP2293866A2 Device for inserting gas bubbles into a liquid |
| 03/16/2011 | EP2082135B1 Active check valves in diaphragm pump with solenoid drive |
| 03/16/2011 | CN201764047U Auxiliary safety valve of solar water heater |
| 03/16/2011 | CN201764041U Luminous plug of inflatable balloon |
| 03/16/2011 | CN201764040U Stop check valve |
| 03/16/2011 | CN201764039U Self non-return stop valve |
| 03/16/2011 | CN201764038U Novel air inlet check valve for motor vehicle |
| 03/16/2011 | CN201764037U Industrial liquid dosage control device |
| 03/16/2011 | CN201764036U Spring direct action type constant-pressure check valve |
| 03/16/2011 | CN201764035U Low-pressure drop check valve |
| 03/16/2011 | CN201764034U Fully welded axial flow type check valve |
| 03/16/2011 | CN201764033U Clamp mute check-valve |
| 03/16/2011 | CN201764032U Automatic recirculating check valve |
| 03/16/2011 | CN201764031U Check valve |
| 03/16/2011 | CN201764030U Check valve with hydraulic cylinder damping |
| 03/16/2011 | CN201764029U Hard sealing check valve with self-tightening middle section |
| 03/16/2011 | CN201764028U Main body structure of flue check valve switch |
| 03/16/2011 | CN201764027U Hydraulic self-control inclined seat type micro-resistance slowly-closing check valve |
| 03/16/2011 | CN201764026U One-way valve for large-flow amount water injecting loom |
| 03/16/2011 | CN201764025U Meter leg type holding valve |
| 03/16/2011 | CN101985989A Backflow preventer with fault signal emitting device |
| 03/16/2011 | CN101137859B Fluid jet with noise reducing sleeve |
| 03/15/2011 | US7905252 Apparatus and methods to dispense fluid from a bank of containers and to refill same |
| 03/15/2011 | US7905246 Low pressure measurement devices in high pressure environments |
| 03/10/2011 | WO2011026583A2 Water drain valve comprising a shielding diaphragm |
| 03/10/2011 | WO2011005367A3 Bypass unloader valve for compressor capacity control |
| 03/10/2011 | US20110056938 Vent valve |
| 03/10/2011 | US20110056574 Hydrophobic vent assembly |
| 03/10/2011 | US20110056571 Methods and systems for reducing pressure of natural gas and methods and systems of delivering natural gas |
| 03/10/2011 | US20110056452 Gravity-Activated Valve For Use In Supplying An Uninterrupted Supply Of Fluid |
| 03/10/2011 | DE112009000908T5 Rückschlagventilstruktur, Membranpumpe und Blutdruckmessgerät Check valve structure, membrane pump and blood pressure monitor |
| 03/10/2011 | DE102010034090A1 Check valve device i.e. re-suction valve, for use at pump, has valve spring formed as coil spring with multi-spring coils that represent closing body of valve device, where spring coils are laid in resting position of valve spring |
| 03/09/2011 | EP2292916A1 Return valve for LPI vehicle adapted to gas vehicle |
| 03/09/2011 | EP2292297A1 Disposable steam sterilisable medical valve |
| 03/09/2011 | EP2291265A1 Method and system for processing a sheet of material |
| 03/09/2011 | EP2140184B1 Quick change check valve system |
| 03/09/2011 | EP1458302B1 Control valve |
| 03/09/2011 | CN201757198U Multifunctional air valve for storage bag |
| 03/09/2011 | CN201757197U Flap type ventilation dust-removal valve |
| 03/09/2011 | CN201757196U One-way hydraulic valve |
| 03/09/2011 | CN201757195U Self-control recirculating check valve |
| 03/09/2011 | CN101598227B Check valve for sprayer |
| 03/03/2011 | WO2011022777A1 Improved system for automatic lubrication |
| 03/03/2011 | WO2010149145A3 Membrane valve |
| 03/03/2011 | WO2010129640A3 Safety relief fill valve assembly |
| 03/03/2011 | US20110049399 Pressure equalisation device |
| 03/03/2011 | CA2770111A1 Improved system for automatic lubrication |
| 03/02/2011 | CN201753789U Magnetic check valve |
| 03/02/2011 | CN201753788U 零泄漏单向阀 Zero leakage check valve |
| 03/02/2011 | CN201753767U Oil-gas recycling joint |
| 03/02/2011 | CN201753749U Small-scale tiller and differential mechanism thereof |
| 03/02/2011 | CN101982686A Nylon check valve and manufacturing method thereof |
| 03/01/2011 | US7896021 Quick change check valve system |
| 03/01/2011 | US7895993 Internal combustion engine having exhaust gas recirculation |
| 03/01/2011 | CA2433703C Curved flapper valve |
| 02/24/2011 | WO2011022323A2 Self aligning mud saver valve seat |
| 02/24/2011 | US20110042282 Pressure-controlled liquid supply system and pump control device for use therein |