| Patents for F16K 15 - Check valves (18,131) |
|---|
| 10/22/1997 | EP0801716A1 Non-stick treatment for elastomeric slit valves |
| 10/22/1997 | EP0801613A1 Fluid-operated brake actuator with check valve |
| 10/22/1997 | CN2265309Y Inflating valve fastener for pressure air bag |
| 10/22/1997 | CN1162987A High pressure abrasive slurry check valve |
| 10/21/1997 | US5678603 Plate valve, particularly for piston compressors |
| 10/16/1997 | WO1997038252A1 Self-sealing valve for balloons or non elastomer articles, obtained by a mass production process |
| 10/16/1997 | WO1997038250A1 Water-hammerless check valve |
| 10/16/1997 | WO1997038249A1 Variable by-pass slow-closing check valve device |
| 10/15/1997 | EP0801231A1 Control system with induced load isolation and relief |
| 10/15/1997 | EP0801228A2 Double diaphragm pump |
| 10/15/1997 | EP0644984B1 Fluid pressure intensifying apparatus |
| 10/15/1997 | CN2264827Y Check valve for fire-fighting |
| 10/08/1997 | EP0800032A1 Valve for central lubrication systems |
| 10/08/1997 | EP0799393A1 Valve arrangement, in particular for pneumatic control systems |
| 10/07/1997 | CA2059965C Check valve with quick lock attachment feature |
| 10/01/1997 | EP0798471A2 Two-way cartridge valve |
| 10/01/1997 | EP0797973A1 Valve for venting the air from the intake pipe of an intake orificie for hydro-massage |
| 09/30/1997 | US5671769 Swing check valve and method for repairing same |
| 09/24/1997 | EP0797033A1 Non-water hammering check valve device |
| 09/24/1997 | EP0796602A1 Hydro-massage orifice with improved circuit for admission of air and discharge of the residual water |
| 09/24/1997 | CN2263248Y Air valve |
| 09/24/1997 | CN2263247Y Portable air valve for motorcycle |
| 09/24/1997 | CN2263246Y Pilot type slowly opening and slowly-closing check valve |
| 09/24/1997 | CN2263245Y Check valve for kitchen ventilator |
| 09/23/1997 | US5669412 Two-piece check valve assembly |
| 09/17/1997 | CN2262633Y Forced non-return valve |
| 09/17/1997 | CN2262632Y Drainage one-way valve |
| 09/17/1997 | CN1159406A Two-piece check valve assembly |
| 09/16/1997 | CA2171915A1 Back-flow preventor and whirlpool tub therewith |
| 09/12/1997 | WO1997033109A1 Check valve |
| 09/10/1997 | EP0793986A1 Multi-chambered super-critical fluid extraction cartridge and processes using it |
| 09/09/1997 | US5664939 Circulator pump check valve |
| 09/09/1997 | US5664602 Check valve for meter run |
| 09/09/1997 | CA2137172C Backflow prevention and detection system |
| 09/03/1997 | EP0792427A1 High pressure abrasive slurry check valve |
| 09/03/1997 | CN2261540Y Hydraulic micro-resistant slow action check valve |
| 09/02/1997 | US5662142 Valve flapper with bands of different deflectibility |
| 09/02/1997 | US5662140 Internally mounted high pressure hydraulic valve for vehicularly mounted water receiving tanks |
| 09/02/1997 | US5662139 Pressure relief valve with lockout position |
| 08/27/1997 | CN2260930Y Automatic non-return valve |
| 08/26/1997 | US5660206 Fuel tank filler neck check valve |
| 08/26/1997 | US5660205 One-way valve |
| 08/21/1997 | DE19605714A1 Return, flap or combined valve with housing |
| 08/20/1997 | EP0790412A2 Hydraulic circuit selector |
| 08/20/1997 | CN2260211Y Check valve with float for sewage |
| 08/13/1997 | CN2259539Y All-lining rubber and lining plastic anti-corrosive non-return valve |
| 08/06/1997 | EP0787285A1 Fluid sampling device |
| 08/06/1997 | CN2258939Y Multipassage rotary check valve |
| 08/05/1997 | US5653885 Apparatus and method for supercritical fluid extraction |
| 08/05/1997 | US5653256 Charge valve assembly |
| 08/05/1997 | US5653251 Vacuum actuated sheath valve |
| 07/30/1997 | EP0621934B1 Valve, in particular for a pump priming circuit |
| 07/30/1997 | CN2258561Y Valve type valve inside for rubber tube |
| 07/30/1997 | CN2258560Y Gate plate type check valve |
| 07/30/1997 | CN2258559Y Check valve specially for watermeter |
| 07/30/1997 | CN1155637A One-way valve drived by its own pump water pressure without damping plate |
| 07/23/1997 | EP0785384A1 Two-piece check valve assembly |
| 07/23/1997 | CN2258244Y One-way valve for air conditioner |
| 07/15/1997 | US5647573 High pressure fluid valve assembly |
| 07/15/1997 | US5647395 Valved discharge mechanism of a fluid displacement apparatus |
| 07/10/1997 | WO1997024542A1 Rapid response valve |
| 07/10/1997 | CA2214573A1 Rapid response valve |
| 07/09/1997 | EP0782670A1 Pressure valve for compressor |
| 07/09/1997 | CN2257582Y Valve inside |
| 07/08/1997 | US5645114 Dispensing assembly with interchangeable cartridge pumps |
| 06/26/1997 | DE19545421A1 Non-return valve, especially for medical technology |
| 06/18/1997 | CN2256497Y Automatic change valve for liquid flow |
| 06/17/1997 | US5639219 Airless paint sprayer intake dampener and inlet valve spring |
| 06/12/1997 | WO1997000399A3 Valve assembly |
| 06/11/1997 | EP0778433A1 High pressure fluid valve assembly |
| 06/11/1997 | EP0777792A1 Toilet with magnetic check valve |
| 06/10/1997 | US5636659 Variable area compensation valve |
| 06/04/1997 | EP0776436A1 Method and apparatus for the manufacture of duckbill valves |
| 06/03/1997 | US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit |
| 05/28/1997 | EP0774992A1 Multi-function check valve |
| 05/28/1997 | DE19543504A1 Shut=off valve with throttling function |
| 05/27/1997 | CA2039034C Flap valve |
| 05/22/1997 | WO1997017916A1 Voice prosthesis-cartridge assembly |
| 05/21/1997 | EP0774040A1 Erosion resistant downhole mud diverter tool |
| 05/21/1997 | CN2254496Y Tyre valve inside for bicycle |
| 05/15/1997 | WO1997017560A1 Valve for an inflatable article |
| 05/14/1997 | EP0746712A4 Selectively opened bi-directional cracking valve |
| 05/14/1997 | CA2189813A1 High pressure fluid valve assembly |
| 05/13/1997 | US5628624 Pump barrel valve assembly including seal/actuator element |
| 05/07/1997 | CN2253790Y Valve rubber tube for man-power vehicle |
| 05/07/1997 | CN2253789Y Small-damping slow open/close check valve |
| 05/06/1997 | CA2106647C Valved discharge mechanism in a refrigerant compressor |
| 05/02/1997 | EP0770505A1 Tire valve cap for measuring air pressure |
| 05/02/1997 | EP0770196A2 Check valve |
| 05/01/1997 | WO1997015770A1 Swing check valve and method for repairing same |
| 04/30/1997 | CN2253419Y Anti-freezing valve inside of cycle |
| 04/29/1997 | US5624244 Circulating pump for cooling water to be forcibly circulated |
| 04/29/1997 | US5623969 Normally closed aspiration valve |
| 04/29/1997 | US5623910 Check and vent valve assembly |
| 04/24/1997 | WO1997014871A1 Variable area compensation valve |
| 04/23/1997 | CN2252533Y Air permeable valve |
| 04/22/1997 | US5622484 Valve arrangement for a condiment dispensing system |
| 04/22/1997 | US5622205 Check valve having reserved mechanical closure |
| 04/17/1997 | WO1997013566A1 One-way valve for inflatable bodies and processes for producing said valve and incorporation of the valve to the inflatable body |
| 04/17/1997 | DE19641145A1 Einwegeventil für aufblasbare Körper und Verfahren zu seiner Herstellung und zum Einsetzen in den aufblasbaren Körper One-way valve for inflatable body and process for its production and for insertion into the inflatable body |