| Patents for F16K 15 - Check valves (18,131) |
|---|
| 04/04/2002 | US20020039538 Non-return bias valve mechanism for a fluid pumping assembly |
| 04/04/2002 | US20020039537 Disposable mechanism for taking out a fixed amount of fluid and system for supplying a fixed amount of fluid |
| 04/04/2002 | US20020038668 Cartridge adapter |
| 04/03/2002 | EP1193401A2 Multi-pressure ball-poppet control value |
| 04/03/2002 | EP1193187A1 Nozzle of fluid container and fluid container having the nozzle |
| 04/03/2002 | EP1192374A1 Device for controlling pressure |
| 04/02/2002 | US6364629 Valve structure with configured retainer |
| 04/02/2002 | US6363960 Frost protection device |
| 03/28/2002 | US20020036025 Safety device for liquid aerating apparatus |
| 03/28/2002 | US20020036015 Connection structure and valved connection member |
| 03/28/2002 | DE10043079A1 Check valve has flow restricting component narrowing annular gap which acts as flow passage, with pocket-type pressure chamber in communication with annular gap formed between valve tongue and wall section of restrictor |
| 03/27/2002 | CN1081747C Double diaphragm pump |
| 03/27/2002 | CA2357912A1 Multi-pressure ball-poppet control valve |
| 03/26/2002 | US6360766 Check valve with an integral breakaway retainer |
| 03/26/2002 | US6360764 Cartridge adapter |
| 03/21/2002 | WO2002022492A2 Microelectromechanical flexible membrane electrostatic valve device and related fabrication methods |
| 03/21/2002 | DE10142398A1 Hochdruck-Kraftstoffzuführvorrichtung High-pressure fuel supply |
| 03/20/2002 | CN2482614Y Rotary actuating damper check valve |
| 03/19/2002 | US6357473 One way anti-backflow valve |
| 03/19/2002 | US6357468 Universal valve |
| 03/14/2002 | WO2002021029A1 Short-length reduced-pressure backflow preventor |
| 03/14/2002 | US20020029812 Bi- directional pilot type electromagnetic valves |
| 03/14/2002 | US20020029493 Shoe with inflatable bladder and secure deflation valve |
| 03/14/2002 | DE10042716A1 Entsperrbares Rückschlagventil für sehr hohe Systemdrücke Pilot operated check valve for very high system pressures |
| 03/14/2002 | CA2421536A1 Short-length reduced-pressure backflow preventor |
| 03/13/2002 | EP1186784A1 Bidirectional pilot operated control valve |
| 03/13/2002 | EP1186250A2 Shoe with inflatable bladder and secure deflation valve |
| 03/13/2002 | EP1185812A1 One way anti-backflow valve |
| 03/13/2002 | CN2481930Y Check valve of electric immersible pump |
| 03/13/2002 | CN2481929Y Check valve of wellhead for oil production electric immersible pump well |
| 03/13/2002 | CN2481928Y Stop valve |
| 03/13/2002 | CN1080852C Cutting-off, throttling and checking multifunction valve |
| 03/12/2002 | US6354810 Variable capacity type compressor with check value |
| 03/12/2002 | US6354348 Valve for tire and rim assembly equipped with a pneumatic support membrane |
| 03/08/2002 | CA2340565A1 Bidirectional pilot operated control valve |
| 03/07/2002 | WO2002018825A1 Multi-configurable valve system |
| 03/07/2002 | WO2002018824A1 Air admittance valve assembly |
| 03/07/2002 | WO2002018822A2 Modular two way check valve construction |
| 03/07/2002 | WO2002018799A1 Unlockable non-return valve for very high system pressures |
| 03/07/2002 | WO2002017994A1 Inner lumen anti-free flow device |
| 03/07/2002 | US20020029020 Apparatus for reducing fluid drawback through a medical valve |
| 03/07/2002 | CA2419557A1 Inner lumen anti-free flow device |
| 03/06/2002 | EP1184257A2 A damper valve and a hydraulic power steering device using the same |
| 03/06/2002 | CN2480647Y Slow cutting off check valve by piston damping |
| 03/06/2002 | CN1080397C Inflation valve for sacks, bags or the like containers |
| 03/05/2002 | CA2245523C Standing valve assembly and downhole pump utilizing said valve assembly |
| 02/28/2002 | WO2002016813A1 Hydraulic valve |
| 02/28/2002 | WO2002016812A1 Bleed member and bleed valve assembly |
| 02/28/2002 | US20020025266 High pressure fuel supply apparatus |
| 02/28/2002 | US20020023679 Damper valve and a hydraulic power steering device using the same |
| 02/28/2002 | US20020023449 Valve fastening structure of reciprocating compressor |
| 02/27/2002 | CN2479317Y Explosion-proof air valve of tyre |
| 02/27/2002 | CN2479316Y Two-element check valve |
| 02/27/2002 | CN1079923C Chage valve with counter-flow-preventing device |
| 02/21/2002 | WO2001035801A3 Improved valve arrangement for an automatically sealing cup |
| 02/21/2002 | US20020020447 Valve for a fuel delivery unit |
| 02/21/2002 | DE10036939A1 Flushing valve for fuel pump for common rail diesel engine comprises valve body mounted on spring and first throttle channel in front of it, components being mounted in sleeve with groove on its outside acting as second throttle channel |
| 02/20/2002 | CN2477915Y Pressure cistern automatic inflating valve |
| 02/20/2002 | CN2477914Y Blowing valve |
| 02/19/2002 | CA2236767C Low profile discharge check valve |
| 02/14/2002 | WO2002011861A1 Portable oxygen concentration system and method of using the same |
| 02/14/2002 | US20020017323 Flow reversal control valve |
| 02/14/2002 | DE10054988A1 Check valve assembly for use within pipes, comprises internal recesses located at opposing ends of the mounting pin assembly |
| 02/14/2002 | CA2764292A1 Dispenser with breath actuatable valve |
| 02/13/2002 | EP0918728B1 Expandable lifting devices and valve assemblies for such lifting devices |
| 02/12/2002 | US6346219 Fluid feed distributor that uses flow actuated plug to prevent backflow of fluidizable particles through fluid feed outlet when fluid feed to riser conduit ceases |
| 02/12/2002 | US6345641 Fluid-activatable device for shut-off under excess flow conditions |
| 02/06/2002 | EP1178262A1 Non return valve for exhaust duct |
| 02/06/2002 | CN2475896Y Valve needle for bicycle |
| 02/06/2002 | CN1334416A Safety valve-device |
| 02/05/2002 | US6343916 Pump body and method for making same |
| 02/05/2002 | US6343618 Swing check backflow preventer |
| 01/31/2002 | US20020013556 Swabbable luer-activated valve |
| 01/31/2002 | US20020011265 System for venting a liquid tank |
| 01/31/2002 | DE10035721A1 Non return valve for crankcase breather in IC engine has a plastic flap valve pendant mounted by a low friction hinge |
| 01/30/2002 | EP1175315A1 A valved dispensing system with hydraulic hammer protection for the valve |
| 01/30/2002 | EP1082589B1 Compound water meter |
| 01/30/2002 | CN2474846Y Controllable nonreturn valve |
| 01/30/2002 | CN2474845Y Air pump exit flow stopping valve |
| 01/30/2002 | CN2474844Y Flue duct non-return valve |
| 01/30/2002 | CN2474829Y Dual purpose pipeline valve |
| 01/29/2002 | US6341760 Metering devices |
| 01/29/2002 | CA2274425C Pressure relief valve and method of manufacturing the same |
| 01/25/2002 | CA2314531A1 Normally-open backwater valve |
| 01/24/2002 | WO2001021988A9 A normally closed in-channel micro check valve |
| 01/24/2002 | US20020007865 Valve assembly, apparatus and method of filing a pressurized gas container |
| 01/23/2002 | EP1174649A2 Valve for a pressure container |
| 01/23/2002 | CN2473413Y Anti-explosion air valve |
| 01/23/2002 | CN2473412Y Self seal ball type check valve |
| 01/23/2002 | CN2473411Y Anti-theft oil valve built-in pipeline |
| 01/23/2002 | CN1332691A Pouch reservoir valve |
| 01/17/2002 | US20020005436 Supercooling degree control type expansion valve |
| 01/16/2002 | EP1172306A1 Venting system for liquid tank |
| 01/16/2002 | CN2472022Y Sustained shutting check valve with two chambers |
| 01/16/2002 | CN1077954C Pump for feeding fuel |
| 01/15/2002 | US6338362 Vent valve assembly |
| 01/15/2002 | US6338361 Apparatus with a check function for controlling a flow resistance of a photoresist solution |
| 01/15/2002 | US6338246 Exhaust passage control valve |
| 01/10/2002 | WO2002002945A1 Valve, particularly for compressors, with valve face having a shaped profile |
| 01/10/2002 | WO2002002168A1 Actuator comprising moveable membrane |