| Patents for F16K 15 - Check valves (18,131) |
|---|
| 04/21/1998 | US5740835 Valve connector |
| 04/16/1998 | WO1998015759A1 Check valve including molded valve seat |
| 04/16/1998 | DE19642482A1 Holding element for valve seat |
| 04/14/1998 | US5738498 Apparatus and method for thermoelectric cooling of an extraction fluid pump |
| 04/09/1998 | DE19651500C1 Damper valve for hydraulic steering-gear servo motor |
| 04/09/1998 | DE19635624A1 Rückschlagventil Check valve |
| 04/08/1998 | EP0834655A1 Delivery valve structure |
| 04/08/1998 | EP0834654A1 Valved discharge mechanism for fluid displacement apparatus |
| 04/08/1998 | CN2278123Y Check vavle for fire fighting |
| 04/02/1998 | DE19634077C1 Exhaust gas reinjection valve for IC engine intake |
| 04/01/1998 | CN2277471Y Check valve for vehicle vacuum pump |
| 04/01/1998 | CN1177692A Moulded rubber valve-sealer for mode-presetted valve |
| 04/01/1998 | CN1177691A Change valve with counter-flow-preventing device |
| 03/31/1998 | US5732737 In a pressurized fluid supply line |
| 03/25/1998 | EP0830533A2 Valve assembly |
| 03/25/1998 | EP0673483B1 Non-return valve |
| 03/18/1998 | EP0829667A2 Moulded rubber valve seal for a valve |
| 03/17/1998 | US5728078 Medical suctioning bacteria valve and related method |
| 03/17/1998 | US5727594 Low actuation pressure unidirectional flow valve |
| 03/17/1998 | US5727593 Tide gate valve with curvilinear bill |
| 03/12/1998 | WO1998010207A1 Positively controlled ball valve |
| 03/12/1998 | WO1998009703A1 Nonreturn valve |
| 03/12/1998 | DE19636410A1 Valve for connection of drinking water heater to water pipe |
| 03/11/1998 | CN1175928A Safety device |
| 03/04/1998 | EP0826893A1 Throttle for hydraulic actuating systems |
| 03/04/1998 | CN1175300A Non-water hammering check valve device |
| 02/26/1998 | WO1998008011A1 Inflatable device with pressure limiting valve |
| 02/26/1998 | CA2263375A1 Inflatable device with pressure limiting valve |
| 02/25/1998 | CN1174293A Double diaphragm pump |
| 02/12/1998 | WO1998005869A1 Vacuum pumping apparatus |
| 02/11/1998 | EP0823015A1 Thermodynamical aspiration valve |
| 02/05/1998 | WO1998004857A1 Dual plate check valve |
| 02/05/1998 | DE19630866A1 Arrangement of non-return valve in gas pipe of internal combustion engines |
| 02/05/1998 | DE19630865A1 Arrangement of non-return valve in gas pipes of internal combustion engines |
| 02/05/1998 | CA2261035A1 Dual plate check valve |
| 02/04/1998 | EP0822359A1 Selector valve with counterflow provention means |
| 02/04/1998 | EP0667938A4 Dual in-line height control valve assembly. |
| 02/04/1998 | CN2273795Y Spring type check valve |
| 02/03/1998 | US5713389 Check valve and check valve seat |
| 02/03/1998 | US5713386 Valve |
| 02/03/1998 | US5713240 Method and apparatus for automatic remote testing of backflow preventers |
| 01/29/1998 | WO1998003810A1 Valve for inflatable objects |
| 01/29/1998 | DE19614446C1 Grease gun check valve |
| 01/28/1998 | EP0731888B1 Plates for dual plate check valves |
| 01/28/1998 | EP0710338B1 One-way valve assembly |
| 01/28/1998 | CN1171509A 排水止回阀 Drain valve |
| 01/27/1998 | US5711691 Self-closing and self-sealing valve device for use with inflatable structures |
| 01/27/1998 | US5711343 Dual plate check valve |
| 01/27/1998 | US5711341 Swing-type check valve assembly retained within a valve housing by abutting engagement with a valve cover and a port of the valve housing |
| 01/21/1998 | EP0819843A2 Flow valve |
| 01/21/1998 | EP0819028A1 Airless paint sprayer outlet check valve |
| 01/20/1998 | US5709242 Device for blocking a liquid flow through a pipe in one direction |
| 01/20/1998 | US5709240 Check valve and backflow preventer |
| 01/20/1998 | US5709191 Process and device for controlling the intake air of a spark-ignition four-stroke engine |
| 01/15/1998 | WO1998001691A1 Non return valve system and method for forming said non return valve system |
| 01/15/1998 | WO1998001690A1 Sealing devices |
| 01/15/1998 | WO1998001689A1 Anti-return device for motor vehicle windshield washing systems |
| 01/14/1998 | EP0817930A1 Rapid response valve |
| 01/08/1998 | WO1996010903A3 Valve connector |
| 01/08/1998 | DE19725160A1 Electronic fuel injector for model motor |
| 01/07/1998 | CN2272080Y Portable inflation valve |
| 01/06/1998 | US5704522 Device for limiting liquid loss, suitable for a pressurized liquid dispenser |
| 01/06/1998 | US5704327 Intake pipe for an internal combustion engine |
| 12/31/1997 | WO1997049632A1 Expandable lifting devices and valve assemblies for such lifting devices |
| 12/23/1997 | US5700213 Integral inlet and pressure relief valve for an automotive tensioner |
| 12/23/1997 | US5699859 Well water recirculation valve and method of manufacturing thereof |
| 12/23/1997 | US5699665 Control system with induced load isolation and relief |
| 12/17/1997 | EP0812217A1 Pump chamber and valve for a pump chamber |
| 12/10/1997 | CN2270154Y Liquified gas pressurizing valve |
| 12/04/1997 | WO1997045642A1 Scroll compressor |
| 12/04/1997 | DE19622123A1 No=return valve |
| 12/02/1997 | US5693097 Voice prosthesis-cartridge assembly |
| 12/02/1997 | US5692539 Check valve for liquids |
| 11/26/1997 | EP0808271A1 Safety device |
| 11/26/1997 | CN1166140A One-way valve for inflatable bodies and processes for producing said valve and incorportion of the valve to the infltable body |
| 11/26/1997 | CN1165930A Heavy equipment control valve with variable feedback |
| 11/25/1997 | US5690828 Automatic analysis |
| 11/20/1997 | WO1997043570A1 Activation pin |
| 11/20/1997 | CA2254964A1 Activation pin |
| 11/19/1997 | EP0807571A1 Pressure regulator |
| 11/19/1997 | EP0807223A1 Compressor valve |
| 11/19/1997 | EP0807036A1 Valve connector |
| 11/19/1997 | EP0807027A1 A device for operating a valve |
| 11/19/1997 | CN2268158Y Large-diameter multi-flowway micro-resistance ball non-return valve |
| 11/19/1997 | CN2268157Y Non-return valve |
| 11/18/1997 | US5687767 Uni-directional fluid valve |
| 11/13/1997 | DE19620140A1 Jet non=return valve has waisted section in circular passage between valve housing |
| 11/12/1997 | CN2267362Y Combination check valve |
| 11/12/1997 | CN1164620A Counterflow preventing device |
| 11/11/1997 | US5685333 For use in a pressurized fluid line |
| 11/06/1997 | WO1997041373A1 Valve for liquids |
| 11/06/1997 | DE19711727A1 Bellows fuel pump |
| 11/06/1997 | DE19708362C1 Check valve for pipe conduit |
| 11/06/1997 | DE19616646A1 Ventil für Flüssigkeiten Valve for liquids |
| 11/05/1997 | EP0707694A4 Auxiliary tap valve |
| 11/04/1997 | US5682922 Dual in-line height control valve assembly |
| 11/04/1997 | US5682921 To control flow in a fluid transmission conduit in a subterranean well |
| 11/04/1997 | CA2057216C Line check valve |
| 10/28/1997 | CA2060816C Fluid check valve |
| 10/22/1997 | EP0802358A2 Check valve |