| Patents for F16K 15 - Check valves (18,131) |
|---|
| 08/29/2002 | US20020117645 Needle free access valve |
| 08/28/2002 | EP1234980A2 Pump unit for a high pressure cleaner |
| 08/28/2002 | EP1210536A4 A non-return valve |
| 08/28/2002 | EP0753693B1 Compound action type non-water hammering check valve device |
| 08/28/2002 | CN2508068Y Gas-liquid transportation check valve |
| 08/28/2002 | CN2508067Y Non-return and return control valve |
| 08/28/2002 | CN1089876C Dual-axle hydraulic butterfly check valve closed slowly |
| 08/27/2002 | US6439263 Pressure regulating valve and method for producing a pressure regulating valve |
| 08/27/2002 | US6439256 Switchable flap valve |
| 08/27/2002 | US6438797 Mop handle with improved water flow control |
| 08/27/2002 | CA2211268C Compressor valve |
| 08/22/2002 | WO2002064965A1 Exhaust-gas recirculation valve comprising a pivotally mounted pressure control plate |
| 08/22/2002 | US20020114991 Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing |
| 08/22/2002 | US20020112907 Breather system and straddle-type four wheeled all terrain vehicle comprising breather system |
| 08/22/2002 | US20020112766 On-off switch structure of a gas tank |
| 08/22/2002 | US20020112762 Check valve for a piston pump |
| 08/21/2002 | EP1233463A2 Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing |
| 08/21/2002 | EP1232351A1 Unitized spherical profile check valve with replaceable sealing element |
| 08/21/2002 | CN2506831Y Damper for check valve |
| 08/21/2002 | CN2506830Y Double-purpose check valve |
| 08/21/2002 | CN1364982A Circular suction valve for reciprocating variable volume compressor and compressor mounted with such valve |
| 08/20/2002 | US6435848 Variable capacity type compressor with check valve |
| 08/16/2002 | CA2358238A1 Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing |
| 08/15/2002 | WO2002062595A1 Pressure relief valve |
| 08/15/2002 | US20020108659 Device for controlling the output of rotary compressors |
| 08/14/2002 | EP1230031A1 Fast rate pump |
| 08/14/2002 | EP1229813A2 Improved valve arrangement for an automatically sealing cup |
| 08/14/2002 | DE10105747A1 Gewindeelement Threaded member |
| 08/14/2002 | CN2505665Y Water-sealed non-return valve |
| 08/13/2002 | US6431693 Liquid pressure supply apparatus and liquid discharge recording apparatus using the same |
| 08/13/2002 | US6431458 Temperature actuated flow restrictor |
| 08/13/2002 | US6431212 Valve for use in microfluidic structures |
| 08/13/2002 | US6431209 Multi-pressure ball-poppet control valve |
| 08/08/2002 | WO2002061287A1 Non-return valve |
| 08/08/2002 | WO2002061280A1 Variable displacement type swash plate clutch-less compressor |
| 08/08/2002 | WO2002060542A1 Avoidance of resonance in inflatable sport ball |
| 08/08/2002 | WO2002060541A1 Method of manufacturing a sport ball |
| 08/08/2002 | US20020104567 Swing check valve |
| 08/07/2002 | EP1229277A1 Valve for fluid control |
| 08/07/2002 | CN2504461Y Valve device heat using equipment |
| 08/07/2002 | CN2504460Y Energy saving soundproofing check valve |
| 08/07/2002 | CN2504459Y Damping single-flap metal sealing butterfly type check valve |
| 08/06/2002 | US6427711 Inline check valve |
| 08/01/2002 | WO2002059485A1 Gas lift valve with central body ventury for controlling the flow of injection gas in oil wells producing by continuous gas lift |
| 08/01/2002 | WO2002022492A3 Microelectromechanical flexible membrane electrostatic valve device and related fabrication methods |
| 08/01/2002 | US20020100507 Check valve for a piston pump |
| 08/01/2002 | DE10158343A1 Rückschlagventil Check valve |
| 07/31/2002 | EP1119464B1 Valve, especially an air entry and air exit ventilation valve for the passenger compartment of a motor vehicle |
| 07/31/2002 | CN2503282Y Anti-counterflow regulating device |
| 07/31/2002 | CN2503281Y Slowly closed silencing check valve |
| 07/30/2002 | US6426001 Cartridge adapter |
| 07/30/2002 | CA2079365C Check valve for fluid bladders |
| 07/25/2002 | US20020096332 Gas lift valve with central body venturi for controlling the flow of injection gas in oil wells producing by continuous gas lift |
| 07/25/2002 | US20020096217 Valve with increased inlet flow |
| 07/25/2002 | US20020096212 High pressure gas supplying system |
| 07/25/2002 | US20020096174 Portable oxygen concentration system and method of using the same |
| 07/25/2002 | DE10157702A1 Ventilbefestigungsstruktur eines Kolbenverdichters Valve mounting structure of a reciprocating compressor |
| 07/25/2002 | DE10126765A1 Kompressor Compressor |
| 07/24/2002 | CN1360668A Non-return valve |
| 07/23/2002 | US6422960 Self contained sport ball inflation mechanism |
| 07/18/2002 | US20020092568 Super sensitive, full flow, adjustable pressure valve |
| 07/18/2002 | DE10152647A1 Ablassventil Drain valve |
| 07/17/2002 | CN2500875Y 改良的排气阀 Improved exhaust valve |
| 07/17/2002 | CN2500874Y Magnetic non-return hood for exhauster |
| 07/16/2002 | US6418741 Expansion/check valve assembly including a reverse flow rate adjustment device |
| 07/11/2002 | WO2002053290A2 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 07/11/2002 | US20020088955 Pilot-type channel valves providing counter-flow prevention |
| 07/11/2002 | US20020088871 Fluid-activatable device for shut-off under excess flow conditions |
| 07/11/2002 | CA2431237A1 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 07/10/2002 | EP1221565A1 Nozzle check valve |
| 07/10/2002 | EP1221554A1 Ring valve for reciprocating positive displacement compressor |
| 07/10/2002 | EP1175315A4 A valved dispensing system with hydraulic hammer protection for the valve |
| 07/10/2002 | EP0777792B1 Toilet with magnetic check valve |
| 07/10/2002 | CN2499651Y Steam driven downwell high temperature one-way valve |
| 07/10/2002 | CN2499650Y Fume exhaust path of one-way check valve |
| 07/10/2002 | CN2499649Y Non-return valve for fume central exhaust system of high rise residence |
| 07/09/2002 | US6415816 Air admittance valve assembly |
| 07/04/2002 | WO2002052186A2 Quick conecctor with one-way check valve |
| 07/04/2002 | US20020085931 Compressor |
| 07/04/2002 | US20020083975 Valve for inflatable objects |
| 07/04/2002 | DE10163721A1 Rückschlagventil Check valve |
| 07/04/2002 | DE10105619C1 System, for extracting heating oil through suction hose, has a valve seat which can be distorted or displaced through the overpressure on an upwards flow to form a passage gap |
| 07/03/2002 | CN2498421Y Steel bottle controlling valve set |
| 07/03/2002 | CN1356474A Valve-fixing structure of reciprocating compressor |
| 07/02/2002 | US6412514 Flip check valve |
| 06/27/2002 | WO2002049701A2 Sealing valve assembly for medical products |
| 06/27/2002 | US20020079475 Portable cooler valve activator |
| 06/27/2002 | US20020079471 Instantaneous, multistage water-saving valve |
| 06/27/2002 | US20020079332 Valve apparatus |
| 06/27/2002 | US20020079000 Check valve slantedly biased against pressure-imposing direction |
| 06/27/2002 | US20020078999 Swing check valve |
| 06/27/2002 | US20020078998 Quick connector with one-way check valve |
| 06/27/2002 | CA2427459A1 Sealing valve assembly for medical products |
| 06/26/2002 | EP1217271A1 Check valve |
| 06/26/2002 | EP1217134A2 Venting and one-way valve |
| 06/26/2002 | EP1217133A2 Venting and one-way valve |
| 06/26/2002 | EP1217132A2 Venting and one-way valve |
| 06/26/2002 | EP1216373A1 A normally closed in-channel micro check valve |
| 06/26/2002 | CN1355755A Nozzle of fluid container and fluid container having said nozzle |
| 06/25/2002 | US6409618 Self-contained sport ball inflation mechanism |