| Patents for F16K 15 - Check valves (18,131) |
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| 04/10/2013 | CN202867944U Round automatic back draft damper |
| 04/10/2013 | CN202867943U Integrated type inner blockage check valve |
| 04/10/2013 | CN202867942U Supercritical gas injection one-way valve |
| 04/10/2013 | CN202867939U Through-wall anti-freezing valve |
| 04/10/2013 | CN103038554A Non-return valve and hydraulic valve with a fitted non-return valve |
| 04/10/2013 | CN103038553A Face sealing annular valve |
| 04/10/2013 | CN103038552A Check valve and liquid feeding pump |
| 04/10/2013 | CN103032610A Inflating air faucet |
| 04/10/2013 | CN103032609A Anti-backflow visible flow indictor |
| 04/10/2013 | CN103032608A Check valve |
| 04/10/2013 | CN102102689B Hydraulic one-way valve |
| 04/10/2013 | CN102086938B Reducing valve |
| 04/10/2013 | CN102022570B Backflow prevention valve and fluid discharge device |
| 04/09/2013 | US8413857 Duckbill flip cap fitment for a collapsible container |
| 04/09/2013 | US8413674 Valve with electromechanical device for actuating the valve |
| 04/09/2013 | US8413277 Pneumatic lift with unidirectional valve |
| 04/09/2013 | CA2667528C Micro-valve |
| 04/07/2013 | CA2766146A1 Specific gravity valve |
| 04/04/2013 | WO2013049160A1 Drain valve assembly |
| 04/04/2013 | WO2013048792A1 Positive displacement pump and suction valve module therefor |
| 04/04/2013 | US20130081726 Flow regulator for infusion pump and method of manufacturing the same |
| 04/04/2013 | CA2846623A1 Positive displacement pump and suction valve module therefor |
| 04/03/2013 | EP2574830A1 Valve for a fluid |
| 04/03/2013 | CN202852412U Gas storage steel cylinder specially used for dimethyl ether and steel cylinder valve used cooperatively |
| 04/03/2013 | CN202852187U Temperature preservation valve |
| 04/03/2013 | CN202852090U Integral valve capable of controlling and automatically cutting out flow |
| 04/03/2013 | CN202852089U Multifunctional integrated valve |
| 04/03/2013 | CN202852088U Diaphragm type fast unidirectional non-return joint |
| 04/03/2013 | CN202852087U Silent type check valve |
| 04/03/2013 | CN202852086U Double-valve-clack muffle check valve |
| 04/03/2013 | CN202852085U Oil plugging seal structure |
| 04/03/2013 | CN202852084U Ball check valve |
| 04/03/2013 | CN202852083U Swing check valve with polyfluoroalkoxy (PFA) lining |
| 04/03/2013 | CN202852082U Novel device capable of preventing public flue duct lampblack from flowing backwards inside chamber |
| 04/03/2013 | CN202852081U One-way valve |
| 04/03/2013 | CN202852080U Damping one-way valve special for radial forging machine electromagnetic valve |
| 04/03/2013 | CN202852064U Anti-freezing backflow non-return three-way valve |
| 04/03/2013 | CN103016798A Double-spool series high-pressure redundant sealing check valve |
| 04/03/2013 | CN103016797A Device for preventing water from reflowing |
| 04/03/2013 | CN102305326B Self-sealing tension relief valve as well as plug valve and socket valve thereof |
| 04/03/2013 | CN102042637B Domestic water and heating water switching device for heating system |
| 04/03/2013 | CN102037365B Flowing-water detector |
| 04/02/2013 | US8408244 Sanitary installation part |
| 04/02/2013 | US8408235 Head for air pump |
| 04/02/2013 | CA2764292C Dispenser with breath actuatable valve |
| 03/28/2013 | WO2013043358A1 Self cleaning high pressure abrasive slurry/fluid check valve |
| 03/28/2013 | WO2013041297A1 Valve assembly |
| 03/28/2013 | US20130074964 Quick connector having check device |
| 03/28/2013 | US20130074957 Pressure valve for energy storage device and energy storage device including the same |
| 03/28/2013 | US20130074493 Ejector with check valve |
| 03/28/2013 | US20130074274 Inflatable device forming mattresses and cushions |
| 03/27/2013 | EP2573436A1 Valve element for a coupling of a high pressure hydraulic coupling and coupling |
| 03/27/2013 | EP2573407A1 Hydraulic control valve for construction machinery |
| 03/27/2013 | CN202834361U Water hammer resistant backflow prevention device |
| 03/27/2013 | CN202834273U Flange lifting check valve |
| 03/27/2013 | CN202834263U House-entering current limiting stop valve and house-leaving current limiting one-way valve in heating supply system |
| 03/27/2013 | CN202834237U Ventilation opening sealing device of air-inflated structure |
| 03/27/2013 | CN202834236U Electromagnetic inlet valve |
| 03/27/2013 | CN202834235U Novel large-flow throttle valve with valve core assembly improved |
| 03/27/2013 | CN202834234U Fast-connected gas cylinder valve |
| 03/27/2013 | CN202834233U Industry gas meter built-in stopper |
| 03/27/2013 | CN202834232U Return valve |
| 03/27/2013 | CN202834231U One-way valve |
| 03/27/2013 | CN202834230U Prefill valve |
| 03/27/2013 | CN202834229U Adjustable automatic check valve |
| 03/27/2013 | CN202834228U Titanium check valve clack |
| 03/27/2013 | CN202834227U One-way valve |
| 03/27/2013 | CN202834226U Check valve structure |
| 03/27/2013 | CN202834225U Built-in reversing valve of household gas meter |
| 03/27/2013 | CN202834224U Improved plate type one-way valve |
| 03/27/2013 | CN202834223U Oil channel one-way valve of diesel engine fuel filer base |
| 03/27/2013 | CN202834222U Check valve |
| 03/27/2013 | CN102997465A Charging connector of solar hollow plate collector and collector |
| 03/27/2013 | CN102996970A Vacuum pipeline automatic switch-off device |
| 03/27/2013 | CN102996868A Swing check valve |
| 03/27/2013 | CN102996867A Flow control check valve |
| 03/27/2013 | CN102996866A High-pressure check valve |
| 03/27/2013 | CN102996865A Method for casting valve body of ball check valve |
| 03/27/2013 | CN102996850A 多孔气压阀 Porous pneumatic valves |
| 03/27/2013 | CN102994907A Casting method of check valve body |
| 03/27/2013 | CN102994861A Casting method of spherical check valve rod |
| 03/27/2013 | CN102990065A Powder metallurgy manufacturing method for valve flap of check valve |
| 03/27/2013 | CN101523098B Liquid tank venting system |
| 03/27/2013 | CN101341358B 压力平衡阀 Pressure balance valve |
| 03/27/2013 | CN101156009B 阀与泵的改进 Improved valve and the pump |
| 03/26/2013 | US8403297 Switch for kitchen and bath appliances |
| 03/26/2013 | US8403001 Connector for fuel tank and check valve |
| 03/26/2013 | US8402989 Telescopic pump nozzle adapted for engaging with different tire valves for tire inflation |
| 03/26/2013 | US8402987 Schrader valve/Presta valve dual-mode valve cap |
| 03/21/2013 | WO2013039611A1 Valve for use in chemical injectors and the like |
| 03/21/2013 | WO2013037544A1 Non-return valve, in particular for a high-pressure fuel pump, and pump comprising a non-return valve |
| 03/21/2013 | WO2012022732A3 Vacuum pump |
| 03/21/2013 | US20130068323 Filter assembly |
| 03/21/2013 | DE102011117732B3 Elektromechanischer Schalter verbunden mit einem Fluidzähler The electromechanical switch connected to a fluid meter |
| 03/21/2013 | DE102011082728A1 Rückschlagventil, insbesondere für eine Kraftstoffhochdruckpumpe, und Pumpe mit Rückschlagventil Check valve, especially for a high-pressure fuel pump, and pump with check valve |
| 03/20/2013 | EP2570558A1 Suction check valve used in field of waterway |
| 03/20/2013 | EP2570156A2 Directional valve and respirator mask with a directional valve |
| 03/20/2013 | EP2569561A2 A valve device for an inflatable tire |
| 03/20/2013 | EP2569201A1 Method and device for controlling a controllable energy absorber |
| 03/20/2013 | CN202812334U Flow control valve |