| Patents for F16K 15 - Check valves (18,131) |
|---|
| 03/18/1999 | WO1999012604A1 Valve assembly |
| 03/18/1999 | DE19739904A1 Rückschlagventil, insbesondere für eine Kolbenpumpe Non-return valve, in particular for a piston pump |
| 03/18/1999 | CA2271001A1 Valve assembly |
| 03/16/1999 | US5881783 Filler nozzle |
| 03/16/1999 | US5881772 Smiling duckbill valve |
| 03/16/1999 | US5881759 Air-ventilating valve |
| 03/16/1999 | CA2065384C Safety cut-out |
| 03/10/1999 | CN2310215Y Check valve for kitchen fume exhausting flue duct |
| 03/10/1999 | CN2310214Y Single-way vacuum valve for closing plastic bag |
| 03/10/1999 | CN1210226A Hood with device for preventing smoke collaboration |
| 03/09/1999 | US5878798 Valve system |
| 03/09/1999 | US5878768 One way valve for inflatables and processes for production and incorporation in the inflatable |
| 03/09/1999 | CA2124456C Serviceable check valve |
| 03/04/1999 | WO1998053676A3 Metering device |
| 03/03/1999 | CN2309469Y Multi-purpose valve joint |
| 03/03/1999 | CN2309468Y Inflation valve |
| 03/03/1999 | CN2309467Y Horizontal one-way ball valve |
| 03/03/1999 | CN2309466Y 气动单向阀门 Way pneumatic valves |
| 02/24/1999 | EP0898101A1 Rubber safety valve for a wheel rim and a tubeless tyre |
| 02/24/1999 | CN2308778Y 多功能阀门 Multi-function valve |
| 02/24/1999 | CN2308777Y Balloon safety plug with luminous function |
| 02/24/1999 | CN1209205A Vacuum actuated sheath valve |
| 02/23/1999 | US5873561 For use in a hydraulic manifold |
| 02/23/1999 | US5873385 Check valve |
| 02/23/1999 | US5873297 Fluid-operated brake actuator with check valve |
| 02/18/1999 | WO1999008030A1 Quick-acting valve |
| 02/18/1999 | WO1999008028A1 Metal seals for check valves |
| 02/17/1999 | CN2307968Y Stop valve with return prevention |
| 02/16/1999 | US5871031 For regulating fluid flow |
| 02/11/1999 | WO1999006701A1 Improvement to a pump body and method for making same |
| 02/11/1999 | DE19834902A1 Sewage treatment plant |
| 02/11/1999 | CA2299520A1 Improvement to a pump body and method for making same |
| 02/10/1999 | CN2307161Y Opening and closing device for air valve |
| 02/09/1999 | US5868701 Medical suctioning bacteria valve and related method |
| 02/09/1999 | US5868158 Device for preventing deformation of an inflating valve disposed on an inflatable article |
| 02/04/1999 | WO1999005438A1 Valve |
| 02/04/1999 | WO1999005398A1 Gasket |
| 02/04/1999 | DE19732747A1 Back-flow prevention valve for piston-powered pump |
| 02/04/1999 | DE19725332C1 Leakage guard for air bubble mat |
| 02/03/1999 | EP0894972A2 Fuel supply pump |
| 02/03/1999 | CN1206792A Pump for feeding fuel |
| 01/28/1999 | WO1999004187A1 Duckbill valve |
| 01/28/1999 | DE19731557A1 Ventil Valve |
| 01/28/1999 | CA2294914A1 Duckbill valve |
| 01/26/1999 | US5862843 Inflator/deflator nozzle |
| 01/26/1999 | US5862831 Variable-regeneration directional control valve for construction vehicles |
| 01/21/1999 | WO1999002907A1 Check valve for connection nipples or fluid ducts |
| 01/21/1999 | CA2234105A1 Check valve |
| 01/20/1999 | EP0892205A1 Valve |
| 01/20/1999 | EP0892202A1 Coaxial valve with check valve |
| 01/19/1999 | US5860449 Back-flow check valve |
| 01/19/1999 | US5860441 For use in a non-latex balloon |
| 01/19/1999 | CA2161843C Refueling check valve for compressed natural gas powered vehicles |
| 01/19/1999 | CA2062190C Fitted crankcase breather valve assembly |
| 01/14/1999 | WO1999001770A1 Interchangeable liquid dispensing cartridge pump |
| 01/13/1999 | EP0890146A1 Vacuum actuated sheath valve |
| 01/12/1999 | US5857839 Compressor having noise and vibration reducing reed valve |
| 01/07/1999 | DE19727924A1 Valve, especially return valve |
| 01/06/1999 | CN2303139Y Needle valve type inflating valve specially use for tyre's inside valve |
| 01/06/1999 | CN2303138Y Bicycle tyre's inside valve |
| 01/06/1999 | CN2303137Y Check valve with micro-resistance |
| 01/05/1999 | US5855225 Tank transport pressure relief valve assembly |
| 01/05/1999 | US5855224 Flapper check valve |
| 01/05/1999 | CA2141641C Method and apparatus for restraining a vehicle occupant |
| 12/30/1998 | EP0887278A1 Thermoplastic squeeze tube with self-sealing dispensing orifice |
| 12/30/1998 | EP0862707A4 Valve for an inflatable article |
| 12/30/1998 | CN2302379Y Single-body hydraulic prop three-purpose valve |
| 12/30/1998 | CN2302378Y Self-gas sealing air-filling valve |
| 12/29/1998 | CA2122859C Intake manifold construction for an internal combustion engine |
| 12/22/1998 | US5850851 Check valve and fuel tank utilizing the same |
| 12/22/1998 | CA2174200C Scroll compressor having a suction check valve |
| 12/17/1998 | WO1998057082A1 Valve mechanism |
| 12/17/1998 | WO1998057076A1 Pump protection fitting |
| 12/17/1998 | WO1998037748A3 No-return valve for piping |
| 12/17/1998 | CA2263438A1 Pump protection fitting |
| 12/17/1998 | CA2263174A1 Valve mechanism |
| 12/17/1998 | CA2240781A1 Multi-stage check valve |
| 12/16/1998 | EP0746709B1 A mixing valve with a collared ball valve |
| 12/15/1998 | US5848882 Valved discharge mechanism of a fluid displacement apparatus |
| 12/15/1998 | US5848615 Check valve cartridge for fluid pump |
| 12/15/1998 | US5848605 Check valve |
| 12/10/1998 | DE19724511C1 Pumpenschutzarmatur Pump protection valve |
| 12/09/1998 | CN2299971Y Overflow gas safety automatic cut-off valve |
| 12/09/1998 | CN2299970Y Respiratory valve |
| 12/08/1998 | US5845821 Simplified unidirectional valve structure |
| 12/03/1998 | WO1998054497A1 Encapsulated elastomeric relief valve |
| 12/03/1998 | WO1998054496A1 Fluid-activatable shut-off device |
| 12/03/1998 | WO1998054016A1 Pneumatic spring system |
| 12/03/1998 | WO1998053865A1 Trocar seal system |
| 12/03/1998 | WO1998053676A2 Metering device |
| 12/03/1998 | DE19819642A1 Air spring system for automobile |
| 12/03/1998 | DE19804552A1 Return valve in fluid duct, with valve element with stop part |
| 12/03/1998 | DE19722562A1 Non=return valve for hydraulic or pneumatic control system |
| 12/03/1998 | DE19721356A1 Back-flow prevention valve operated by hydraulic or pneumatic force |
| 12/02/1998 | EP0704022B1 Fuel injection nozzle for internal combustion engines |
| 12/02/1998 | CN2299197Y Air route membrane one-way valve |
| 12/02/1998 | CN2299196Y Hydraulic slowly-closed silencing check valve |
| 12/02/1998 | CN1200447A Cutting-off, throttling and checking multi-function valve |
| 12/01/1998 | US5842682 Non-leaking, non-venting liquid filled canister quick disconnect system |
| 12/01/1998 | US5842504 Safety valve for an inverted liquid-filled canister |