| Patents for F16K 15 - Check valves (18,131) |
|---|
| 04/17/1997 | CA2208058A1 One way valve for inflatables and processes for production and incorporation in the inflatable |
| 04/16/1997 | CN2252280Y Compound check valve |
| 04/16/1997 | CN1147609A Non-return water-sealed valve |
| 04/09/1997 | CN2251654Y Elastic valve core |
| 04/08/1997 | US5617897 Nonreturn valve for medical fluid technologies |
| 04/02/1997 | EP0765449A1 Non-return valve |
| 04/02/1997 | EP0765448A2 Check valve |
| 04/02/1997 | CN2251084Y Pressure meter for inflating of automobile or motorcycle |
| 04/01/1997 | US5615700 Double containment fitting |
| 03/26/1997 | CN2250458Y Balanced multifunctional valve |
| 03/25/1997 | US5614089 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 03/25/1997 | US5613663 Valve device |
| 03/25/1997 | US5613517 Sheath valve |
| 03/25/1997 | US5613515 Apparatus for connecting an inflatable article to a compressor |
| 03/20/1997 | CA2158585A1 Check-valve |
| 03/19/1997 | CN1034292C An annular valve for a piston compressor |
| 03/13/1997 | WO1997009552A1 Valve |
| 03/12/1997 | EP0762023A1 Lift valve |
| 03/12/1997 | EP0721403A4 Pressure indicating tyre inflation valve |
| 03/12/1997 | CN1145111A Fluid check valve |
| 03/11/1997 | US5609300 Airless paint sprayer outlet check valve |
| 03/11/1997 | US5609130 Non-return valve |
| 03/06/1997 | WO1997008481A1 Swing type non-water hammer check valve |
| 03/05/1997 | EP0760418A2 Check valve and check valve seat |
| 03/05/1997 | EP0621836B1 Immersion-proof abs/drive slip control pumping assembly with check valve |
| 03/05/1997 | EP0592538B1 Recirculation valve |
| 03/05/1997 | CN2248810Y Automatic full sealing check valve |
| 03/05/1997 | CN1144318A Sealed electric compressor |
| 03/04/1997 | US5606995 Inversion-resistant, readily openable tide gate valve |
| 02/27/1997 | WO1997007354A1 Control valve |
| 02/26/1997 | EP0759521A1 Check valve |
| 02/20/1997 | DE19632383A1 Combined hydraulic inlet and pressure relief valve |
| 02/19/1997 | CN2247748Y Rubber column type valve rubber tube |
| 02/19/1997 | CN2247747Y 止回阀 Check |
| 02/13/1997 | WO1997005383A1 Circulator pump check valve |
| 02/12/1997 | EP0758055A1 Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor |
| 02/11/1997 | US5601707 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 02/11/1997 | US5601118 Discharge valve apparatus of compressor |
| 02/11/1997 | US5601112 Check valve |
| 02/05/1997 | EP0756881A2 Uni-directional fluid valve |
| 02/05/1997 | CN2246738Y Check valve |
| 02/04/1997 | US5598872 Check valve |
| 01/30/1997 | WO1997003312A1 Non-return valve with operation controller |
| 01/30/1997 | WO1997002850A1 Heart assist system |
| 01/30/1997 | CA2226491A1 Heart assist system |
| 01/29/1997 | CN1141669A Check valve |
| 01/29/1997 | CN1141395A Circulating pump for cooling water to be forcibly circulated |
| 01/22/1997 | EP0754895A2 An air-ventilating valve |
| 01/22/1997 | EP0717822B1 Device for blocking a liquid flow in one direction |
| 01/22/1997 | CN2245697Y Check valve structure with pressure fluid filling opening |
| 01/22/1997 | CN2245696Y Valve with buffering pressure air-pocket |
| 01/22/1997 | CN1140803A Scroll compressor having suction check valve |
| 01/22/1997 | CN1140794A Mufflers with integral check valve |
| 01/15/1997 | EP0753693A1 Compound action type non-water hammering check valve device |
| 01/15/1997 | EP0753116A1 Fluid check valve |
| 01/14/1997 | US5593292 Valve cage for a rod drawn positive displacement pump |
| 01/14/1997 | US5592966 Back-flow preventer |
| 01/14/1997 | CA2074448C Top-entry check valve having retainer ring |
| 01/08/1997 | CN1139980A Compound action type non-water hammering check valve device |
| 01/03/1997 | WO1997000399A2 Valve assembly |
| 01/02/1997 | EP0750715A1 Valve for use in float equipment |
| 01/02/1997 | DE19625646A1 Ball valve with ball and annular seat |
| 01/02/1997 | DE19523454A1 Aeration and ventilation device for gears and axles |
| 01/01/1997 | CN2244122Y Self closing explosion releasing valve |
| 12/27/1996 | WO1996032599A3 Pump barrel seal assembly including seal/actuator element |
| 12/27/1996 | EP0750102A1 Method and device for controlling the inlet air of a spark ignition four-stroke engine |
| 12/27/1996 | EP0750074A1 Reflux valve |
| 12/25/1996 | CN2243583Y Highly sealed low noise one-way load reducing valve |
| 12/18/1996 | CN2243011Y Bullet-type non-return valve |
| 12/17/1996 | US5584989 Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent |
| 12/17/1996 | US5584315 Check valve assembly and method for mounting and installing check valves within a housing |
| 12/17/1996 | US5584270 Intake pipe for an internal combustion engine |
| 12/11/1996 | EP0746712A1 Selectively opened bi-directional cracking valve |
| 12/11/1996 | EP0746711A1 Linear mode sheath valve |
| 12/11/1996 | EP0746709A1 A mixing valve with a collared ball valve |
| 12/11/1996 | CN1033531C Cone damping check valve |
| 12/10/1996 | US5583325 Muffler with integral check valve |
| 12/04/1996 | EP0643812B1 Serviceable check valve |
| 12/04/1996 | EP0491027B1 Safety cut-out |
| 12/04/1996 | CN1137309A Pressure relief valve |
| 12/04/1996 | CN1137308A Liner mode sheath valve |
| 12/03/1996 | US5580226 Spring-loaded nonreturn valve |
| 11/27/1996 | CN2241255Y Water hammer eliminating slow-closing check valve |
| 11/27/1996 | CN2241254Y Check valve |
| 11/26/1996 | US5578083 Voice prosthesis-cartridge assembly |
| 11/21/1996 | WO1996036826A1 Low pressure bung check valve having valve closure member held just off the valve seat by a spring element |
| 11/20/1996 | EP0743456A2 Muffler with integral check valve |
| 11/20/1996 | CN1136348A Plates for dual plate check valves |
| 11/20/1996 | CN1136149A Sectional floating spiral sealing device |
| 11/14/1996 | DE19545452C1 Non return valve for fluids with small pressure differences |
| 11/13/1996 | EP0644791A4 Apparatus and method for supercritical fluid extraction. |
| 11/13/1996 | CN1135578A Valve discharging mechanism of fluid driving device |
| 11/06/1996 | EP0639099A4 Apparatus and method for supercritical fluid extraction. |
| 11/06/1996 | EP0639098A4 Apparatus and method for supercritical fluid extraction. |
| 10/31/1996 | WO1996034184A1 Thermodynamical aspiration valve |
| 10/31/1996 | DE3153755C2 Re-pressurisable tennis ball |
| 10/31/1996 | DE19615317A1 Fuel tank with one-way valve |
| 10/31/1996 | DE19605225A1 Valve with duct and seat engaging plug |
| 10/30/1996 | EP0740094A1 Check valve with viewing glass |
| 10/29/1996 | US5569025 Leak-proof ABS/TCS pump assembly with non-return valve |