| Patents for F16K 15 - Check valves (18,131) |
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| 03/23/2004 | US6708899 Headlamp cleaner and injection control method |
| 03/23/2004 | US6708718 High pressure gas supplying system |
| 03/23/2004 | US6708716 Valve assembly |
| 03/18/2004 | WO2004023593A2 Metal air cell with internal air mover and pressure-sensitive valves for regulating the air flow |
| 03/18/2004 | WO2004023010A1 In-line check valve assembly |
| 03/18/2004 | WO2004008011A8 Check valve |
| 03/18/2004 | US20040052657 Micromachined fluidic device and method for making same |
| 03/18/2004 | US20040051073 Valve with sealed bellows and packing box for container transporting toxic fluids |
| 03/18/2004 | US20040050438 Back flow preventing eductor |
| 03/18/2004 | US20040050437 Pressure relief valve |
| 03/17/2004 | EP1398551A1 Check valve |
| 03/17/2004 | EP1397607A1 Check valve floor drain |
| 03/17/2004 | EP1397606A1 Pressure sensitive one-way valve |
| 03/17/2004 | EP1397605A1 Fluid flow control valve |
| 03/17/2004 | EP1230031B1 Fast rate pump |
| 03/17/2004 | EP1104521A4 Fluidic connector |
| 03/17/2004 | CN1483119A Quick conecctor with one-way check valve |
| 03/16/2004 | US6705348 Check valve |
| 03/16/2004 | US6705339 Surge check unit for a liquid distribution system |
| 03/11/2004 | WO2004020883A1 Mask and spherically configured valve |
| 03/11/2004 | WO2004020882A1 Valve and retainer assembly for balloon |
| 03/11/2004 | US20040048121 Electrochemical cells and systems |
| 03/11/2004 | US20040045607 Check valve |
| 03/11/2004 | US20040045606 Seal assembly for an air pump embedded in an inflated ball |
| 03/11/2004 | US20040045605 In-line check valve |
| 03/11/2004 | US20040045604 Backflow preventor with adjustable outflow direction |
| 03/11/2004 | DE4119731B4 Ventilanordnung für einen hermetisch dichten Kompressor, insbesondere einen Kühlkompressor Valve assembly for a hermetic compressor, particularly a refrigerant compressor |
| 03/11/2004 | DE20316536U1 Rückschlagventil für die Fahrzeugentlüftung Return valve for a vehicle ventilation |
| 03/11/2004 | DE20314499U1 Rückschlagventil für Vakuumpumpen Check valve for vacuum pumps |
| 03/11/2004 | DE20216761U1 Ventilanordnung zur Verhinderung von Rückströmungen in einem Strömungskanal Valve assembly to prevent backflow in a flow channel |
| 03/10/2004 | CN2606226Y Flange connecting ball check valves |
| 03/09/2004 | US6702699 Self-contained sport ball inflation mechanism |
| 03/09/2004 | US6701955 Valve apparatus |
| 03/04/2004 | WO2004018874A1 Valve assembly of reciprocating compressor |
| 03/04/2004 | WO2004017893A1 Baby feeding device |
| 03/04/2004 | US20040040596 Valve used for an inflatable article |
| 03/04/2004 | US20040040562 Mask and spherically configured valve |
| 03/04/2004 | DE10237364A1 Back pressure valve for e.g. gas an oil pipelines with inner housing contour and valve plate edge defining ring channel formed for almost constant flow speed across complete valve plate stroke |
| 03/04/2004 | DE10236965A1 Non-return valve for use in windscreen or headlamp washer has valve mandrel so that sealing edge in rest position comes against valve mandrel |
| 03/04/2004 | DE10236318A1 Exhaust gas flap for exhaust systems of IC engines has flow deflection element located within closure area of closure plate for exhaust channel |
| 03/03/2004 | EP1394328A1 Check valve for drainage conduits |
| 03/03/2004 | EP1393704A1 Baby feeding device |
| 03/03/2004 | EP1393676A1 Sealable air sampling bag and method for using the same |
| 03/03/2004 | EP1392993A2 Control valve |
| 03/03/2004 | CN2605442Y Butterflying-type non-return valve capable of self-locking |
| 03/03/2004 | CN2605441Y Welding high-temp.-pressure ball-type non-return valve |
| 03/03/2004 | CN2605440Y Folding type gas-discharging non-return valve |
| 03/03/2004 | CN2605439Y Bottom-axel type automatic flow-guiding gas-discharging non-return valve |
| 03/03/2004 | CN2605438Y Pressure-regulatnig guiding type non-return valve |
| 03/02/2004 | US6698716 Suction valve for water bag |
| 03/02/2004 | US6698450 Discharge valve |
| 03/02/2004 | US6698446 Check valve |
| 03/02/2004 | US6698197 Hydraulically actuated by-pass valve |
| 02/26/2004 | WO2004016949A1 Check valves for micropumps |
| 02/26/2004 | US20040035468 Discharge valve and compressor using the same |
| 02/26/2004 | DE10237455A1 Electromagnetic valve especially for a motor vehicle automatic gear, has a valve seat separate from a throttle between inlet and pressure volume |
| 02/25/2004 | CN2604587Y One-way valve capable of forward directional closing |
| 02/25/2004 | CN2604586Y Double-butterfly type opening & closing device for non-return valve |
| 02/25/2004 | CN2604585Y Bent duckbilled flexible non-return valve |
| 02/25/2004 | CN2604584Y Exhaust passage non-return valve |
| 02/24/2004 | US6696376 Rolling granulation process to increase density;smaller pore size; durability |
| 02/24/2004 | US6695007 Suction valve |
| 02/24/2004 | US6694996 Swing check backflow preventor having check valve with lever arm |
| 02/24/2004 | US6694979 Methods and devices for use in performing pulmonary procedures |
| 02/19/2004 | WO2004005775A3 Faucets with built-in pre-selector of temperature |
| 02/19/2004 | US20040033146 Micropumps with passive check valves |
| 02/18/2004 | EP0906529B1 Activation pin |
| 02/18/2004 | CN1475688A Valve for controlling fluid making single direction flow |
| 02/18/2004 | CN1138927C Flat gate valve |
| 02/17/2004 | US6691739 Valve assembly and pulsator device constructed therewith |
| 02/17/2004 | US6691736 Waterproof valve of exhausting tube |
| 02/17/2004 | US6691702 Portable oxygen concentration system and method of using the same |
| 02/12/2004 | WO2004013523A2 Valve |
| 02/12/2004 | WO2004013036A1 A fluid-dispensing circuit with check valves |
| 02/12/2004 | US20040026091 Tubing fill and testing valve |
| 02/12/2004 | US20040025944 Back flow prevention device for pipelines conveying fluids |
| 02/11/2004 | EP1387970A1 Arrangement in valve device, where the valve body is provided with radial projecting connection pins engaged with annular piston means which displaces the valve body |
| 02/11/2004 | EP1387930A1 Device for the post-treatment of exhaust gases of an internal combustion engine |
| 02/11/2004 | CN2603261Y Power-saving stop-valve/check-valve |
| 02/10/2004 | CA2127568C Two-port cartridge seat valve |
| 02/05/2004 | WO2004011143A2 One-directional microball valve for a microfluidic device |
| 02/05/2004 | US20040021327 Actuator |
| 02/05/2004 | US20040020534 Controlled pneumatic valve |
| 02/05/2004 | CA2488997A1 One-directional microball valve for a microfluidic device |
| 02/04/2004 | EP1386704A2 Hydraulic connection means between isostatic die and respective pad |
| 02/04/2004 | CN1136811C Suction device accessory |
| 02/03/2004 | US6685449 Fluid apparatus including gravity induced check valves and downwardly inclined lower lamella portion of a bellows |
| 02/03/2004 | US6684903 Vacuum demand valve |
| 01/29/2004 | US20040016435 Methods and devices for use in performing pulmonary procedures |
| 01/29/2004 | CA2436277A1 Check valve with hanger |
| 01/28/2004 | EP1384924A1 Disc check valve |
| 01/28/2004 | CN1136404C Fluid-activatable shut-off device |
| 01/28/2004 | CN1136393C Diaphragm pump |
| 01/27/2004 | US6682503 Anti-reflux valve interconnected with a catheter |
| 01/27/2004 | US6681807 Asymmetric bidirectional flow device |
| 01/27/2004 | US6681804 Device for controlling the output of rotary compressors |
| 01/27/2004 | CA2305988C Hydro massage bathtub with light and ozone treatment |
| 01/22/2004 | WO2004008011A1 Check valve |
| 01/22/2004 | WO2004008009A1 Flow control assembly |
| 01/22/2004 | WO2003083321A8 Pressure control valve for hydraulic actuation assembly |