| Patents for F16K 15 - Check valves (18,131) |
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| 02/06/2013 | CN202719215U Check valve with buffering protection function |
| 02/06/2013 | CN202719214U Butt clamp type check valve |
| 02/06/2013 | CN202719213U Butt clamp type check valve |
| 02/06/2013 | CN202719212U Combination check valve |
| 02/06/2013 | CN202719211U Valve capable of preventing sewage and stench from flowing backwards |
| 02/06/2013 | CN202719210U Check valve |
| 02/06/2013 | CN202719209U Water outlet stopper for base of moving water tank of water boiling machine |
| 02/06/2013 | CN202719208U Air choke valve for preventing cheating of magnetic card gas meter |
| 02/06/2013 | CN202719207U Dehumidification check valve |
| 02/06/2013 | CN202719206U Dehumidification check valve for engines |
| 02/06/2013 | CN202719205U Bottom valve |
| 02/06/2013 | CN202719204U Quick junction type single-ended check valve |
| 02/06/2013 | CN202718779U Dust discharging one-way valve of filter |
| 02/06/2013 | CN102913658A Check valve with double fireproof valves for smoke flue |
| 02/06/2013 | CN102913649A Safety backpressure check valve |
| 02/05/2013 | US8365967 Pressure-activated valve |
| 02/05/2013 | US8365773 Valve device and testing method |
| 02/05/2013 | US8365771 Unidirectional valves and filtering face masks comprising unidirectional valves |
| 02/05/2013 | US8365765 Flow restrictor cartridge for fluid flow measurements |
| 02/05/2013 | CA2654090C Fluid purge in a medical injection system |
| 01/31/2013 | WO2012102620A8 Check valve |
| 01/31/2013 | US20130025724 Excess flow valve |
| 01/31/2013 | US20130025711 Self Piloted Check Valve |
| 01/30/2013 | CN202708225U Reverse air stopping valve provided with air tap |
| 01/30/2013 | CN202708224U Two-way sealing type air tap |
| 01/30/2013 | CN202708223U Break-away valve for gas filling machine |
| 01/30/2013 | CN202708222U Check valve of fuel tank |
| 01/30/2013 | CN202708221U 立式止回阀 Vertical Check Valve |
| 01/30/2013 | CN202708220U Noise reduction structure of pump pipeline valve applied to water supplying and draining system |
| 01/30/2013 | CN202708219U One-way valve module for integrated pipeline module |
| 01/30/2013 | CN202708218U Combustible gas backflow protection valve for biomass gasifier |
| 01/30/2013 | CN202708217U Swing check valve |
| 01/30/2013 | CN202708216U 止回阀 Check |
| 01/30/2013 | CN202708215U Butterfly microresistance slow closing check valve |
| 01/30/2013 | CN202708214U Coal chemical industry swing type anti-explosion check valve device |
| 01/30/2013 | CN202708213U One-way valve and waterway system |
| 01/30/2013 | CN202708212U Check valve with threaded valve seat |
| 01/30/2013 | CN202708211U Anti-clogging check valve |
| 01/30/2013 | CN202708210U 止回阀 Check |
| 01/30/2013 | CN202708201U Reversing valve |
| 01/30/2013 | CN102900874A 角式止回阀 Angle Check Valve |
| 01/30/2013 | CN102900873A 角式截止止回阀 Angle globe valve |
| 01/30/2013 | CN102900872A Automobile pipeline one-way valve |
| 01/30/2013 | CN102900871A Check valve for spray nozzle and nozzle tube |
| 01/30/2013 | CN102135197B Asymmetrical water seal check valve |
| 01/29/2013 | US8360276 Manual inflator with cylinder connector and status indicator |
| 01/29/2013 | US8360121 Wheel having temperature compensated and controlled pressure |
| 01/29/2013 | US8360119 High-pressure inflation pump |
| 01/29/2013 | US8360106 Curved pliant film valves |
| 01/29/2013 | US8360105 Air admittance vent |
| 01/29/2013 | US8360104 Pressure relief assembly |
| 01/29/2013 | US8360090 Schrader valve/Presta valve dual-purpose valve cap |
| 01/25/2013 | CA2783459A1 A regulation valve for a life support system |
| 01/24/2013 | WO2013012825A1 Fire hydrant security integrated flow control/backflow preventer insert valve |
| 01/24/2013 | WO2013011484A1 Flexible membrane valve, in particular for backflow prevention |
| 01/24/2013 | WO2013011348A1 Dual plate check valve |
| 01/24/2013 | WO2012166318A3 Ball valve |
| 01/24/2013 | WO2011113933A3 A valve device for an inflatable tire |
| 01/24/2013 | US20130019967 Mechanical function control of continuously variable transmission hydraulic system |
| 01/24/2013 | US20130019966 Dual plate check valve |
| 01/24/2013 | US20130019964 Control and supply unit |
| 01/24/2013 | US20130019959 Air Valve and Inflatable Device Having the Same |
| 01/24/2013 | US20130019844 Fluid control valve assembly |
| 01/24/2013 | US20130019745 Poppet valve with an impact damper and method for reducing impact wear in hyper compressors |
| 01/24/2013 | DE102008047074B4 Rückschlagventilanordnung und Verfahren zum Betreiben einer Common-Rail-Rückschlagventilanordnung Check valve assembly and method for operating a common rail check valve assembly |
| 01/23/2013 | EP2549159A1 A poppet valve with an impact damper and method for reducing impact wear in hyper compressors |
| 01/23/2013 | EP2549158A1 A differential pressure valve with reduced spring-surge and method for reducing spring surge |
| 01/23/2013 | EP2547598A1 Valve assembly |
| 01/23/2013 | CN202691182U Energy-saving right open type multifunctional pressure limiting unloading valve |
| 01/23/2013 | CN202691181U Energy-saving left-side-opening multifunctional pressure-limiting unloading valve |
| 01/23/2013 | CN202691180U Energy-saving double-side-open multifunctional pressure limiting unloading valve |
| 01/23/2013 | CN202691179U Diaphragm type mute check valve |
| 01/23/2013 | CN202691178U Nuclear secondary lifting-type check valve |
| 01/23/2013 | CN202691177U Y-typed quick closing check valve |
| 01/23/2013 | CN202691176U Two-way check valve and vacuum oil filter system with same |
| 01/23/2013 | CN202691175U No-wear ball check valve |
| 01/23/2013 | CN202691174U Socket and spigot type check valve |
| 01/23/2013 | CN202691173U Rubber-clack check valve |
| 01/23/2013 | CN202691172U Check valve |
| 01/23/2013 | CN202691171U High pound level forged steel full-open swing check valve |
| 01/23/2013 | CN202691170U Ultrahigh-pressure double-flap check valve |
| 01/23/2013 | CN202691169U Flap valve with self-adaptive pivot structure |
| 01/23/2013 | CN202691168U Internal rotation type check valve |
| 01/23/2013 | CN202691167U Swing check valve |
| 01/23/2013 | CN202691166U Novel check valve |
| 01/23/2013 | CN202691165U Steel pricker one-way valve |
| 01/23/2013 | CN202691164U Medical check valve |
| 01/23/2013 | CN202691163U By-pass valve of oil filter |
| 01/23/2013 | CN202691161U Adjustment valve |
| 01/23/2013 | CN102889403A Fast charging connector added with sealing fin |
| 01/23/2013 | CN102889402A Active ventilating type smoke exhauster check valve |
| 01/23/2013 | CN102278506B High-performance slow-shut check valve |
| 01/23/2013 | CN101529077B Reservoir for a fuel tank |
| 01/22/2013 | US8357139 Methods and devices for use in performing pulmonary procedures |
| 01/22/2013 | US8356620 Pressure controlled three way valve device |
| 01/22/2013 | US8356619 Non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid |
| 01/22/2013 | US8356587 PCV valve guide |
| 01/19/2013 | CA2785013A1 A differential pressure valve with parallel biasing springs and method for reducing spring surge |
| 01/18/2013 | CA2763331A1 Check valve |
| 01/17/2013 | WO2013009432A2 Poppet valve with integrated dampener |