| Patents for F16K 15 - Check valves (18,131) |
|---|
| 06/25/2002 | US6409487 Shoe with inflatable bladder and secure deflation valve |
| 06/25/2002 | US6409486 Shoe with inflatable bladder and secure deflation valve |
| 06/25/2002 | US6409150 Pin valve with removable valve body cover |
| 06/25/2002 | US6409146 Check valve arrangement for a diagnostic test point |
| 06/20/2002 | US20020077604 Sealing valve assembly for medical products |
| 06/20/2002 | US20020077603 Sealing valve assembly for medical products |
| 06/20/2002 | US20020074039 Activation pin |
| 06/20/2002 | DE10057357A1 Ventil, insbesondere Heizkörperventil Valve, particularly radiator valve |
| 06/19/2002 | EP1215427A1 Check valve |
| 06/19/2002 | EP1214634A1 Automatic valve for the stabilization of a thermostatic mixing device |
| 06/19/2002 | CN2495870Y Pipe for removing cooking fume |
| 06/18/2002 | CA2259831C Backflow valve |
| 06/13/2002 | US20020071916 Sprayer controller and method |
| 06/13/2002 | US20020069918 Backflow preventor with adjustable outflow direction |
| 06/13/2002 | US20020069811 One-way self-closing drain plug apparatus |
| 06/13/2002 | DE10059954A1 Non-return valve for fuel pump has valve plate with concave central section which fits over fluid inlet and is surrounded by flat ring which fits against valve seat when valve is closed |
| 06/13/2002 | DE10045666C1 Dosiereinheit zur Zumessung kleiner Flüssigkeitsmengen Dosing for metering small amounts of liquid |
| 06/12/2002 | CN2494908Y Guiding one-way exhaust valve |
| 06/11/2002 | USRE37732 Fluid dispersing checkvalve |
| 06/11/2002 | US6403176 Packaging laminate for bags |
| 06/11/2002 | US6402190 Non return valve for an airbag |
| 06/11/2002 | US6401749 Asymmetrically loaded check valve |
| 06/11/2002 | US6401745 Fire hydrant automatic shut-off valve |
| 06/11/2002 | US6401744 Valve actuator |
| 06/06/2002 | US20020066487 Charging and evacuation valve |
| 06/06/2002 | DE10151584A1 Pressure relief flap has pivot mounted pendulum flap movable from open position by spring action or automatically by the gravity force acting upon it into closed position closing off free cross section of pressure relief duct |
| 06/06/2002 | DE10138504A1 Check valve for flowing medium has spring upstream of valve seat creating closing force, and downstream of valve seat has radial passages open in flow direction, with valve housing and valve component with spring forming modular unit |
| 06/05/2002 | EP1210537A1 Nested duckbill check valves |
| 06/05/2002 | EP1210536A1 A non-return valve |
| 06/05/2002 | CN2494462Y Multifunctional safety valve |
| 06/04/2002 | US6398317 Hydraulic vehicle brake system with wheel slip control, and valve for such a brake system |
| 06/04/2002 | US6397884 Connection structure and valved connection member |
| 06/04/2002 | US6397874 Dual backflow check valve |
| 05/30/2002 | US20020062868 Short-length reduced-pressure backflow preventor |
| 05/30/2002 | US20020062861 Fuel tank vent control valve |
| 05/29/2002 | EP1209392A2 Check valve |
| 05/29/2002 | EP0807036B1 Valve connector |
| 05/29/2002 | CN2493801Y One-way check valve for petroleum production borehole |
| 05/29/2002 | CN2493800Y Pipe shaped two-unit check valve |
| 05/28/2002 | US6396404 Double check valve assembly for fire suppression system |
| 05/28/2002 | US6394681 Applicator assembly |
| 05/28/2002 | US6394316 Bubble pump for dispensing particulate-ladened fluid |
| 05/28/2002 | US6394137 Fluid supply valve |
| 05/28/2002 | US6394128 Intake tract negative pressure relief valve for I.C. engine |
| 05/28/2002 | US6394121 Connector for prohibiting gas from flowing back |
| 05/28/2002 | CA2107012C Water heater heat trap |
| 05/23/2002 | WO2002018822A3 Modular two way check valve construction |
| 05/23/2002 | DE10056876A1 Unblockable non-return valve has overpressure diminishing channel branching off from second valve chamber at least in flow setting of valve closure element |
| 05/22/2002 | EP1207327A2 Valve, especially radiator valve |
| 05/22/2002 | EP1124700A4 A pressure cutoff valve |
| 05/22/2002 | CN2492721Y Automatic cut-off drainage pipe |
| 05/21/2002 | US6391019 Valve apparatus and valve system using thereof |
| 05/21/2002 | US6390130 Valve for medical infusion lines and the like |
| 05/21/2002 | US6390123 Bailer having leak-inhibiting seal |
| 05/21/2002 | US6390121 Check valve controlled by differential pressure |
| 05/16/2002 | WO2002039028A1 Layering pipe for distribution and storing of liquid |
| 05/16/2002 | WO2002038992A1 Valve with sealed bellows and packing box for container transporting toxic fluids |
| 05/16/2002 | WO2002038445A1 Vent valve assembly |
| 05/16/2002 | US20020056480 Check valve |
| 05/16/2002 | US20020056476 Cylinder valve assembly with check valve |
| 05/16/2002 | DE10056690A1 Non return valve e.g. for combustion engines comprises housing with two flat parallel sheet metal parts with thin steel plate clamped inbetween as valve and connected so that edges form seal |
| 05/15/2002 | CN2491665Y Externally-mounted liquid-controlled butterfly check valve |
| 05/15/2002 | CN2491664Y Backward proofing exhaust valve for residence shared smoke duct |
| 05/15/2002 | CN2491663Y Two-way single flow valve |
| 05/15/2002 | CN1084847C Mufflers with integral check valve |
| 05/14/2002 | US6386247 Valve for a dunnage bag |
| 05/08/2002 | EP1203907A1 Ball check valve |
| 05/08/2002 | EP1203599A2 A filter face mask |
| 05/08/2002 | CN2490379Y Anti-pollution check valve |
| 05/07/2002 | US6382268 Inflation device |
| 05/07/2002 | US6382255 Check valves |
| 05/07/2002 | US6382250 Solenoid valve with a check valve |
| 05/07/2002 | US6382230 Ball valve |
| 05/02/2002 | WO2001089695A3 Valve for use in microfluidic structures |
| 05/02/2002 | US20020050298 Fluid supply valve |
| 05/01/2002 | CN2489156Y Magnetic non-return valve |
| 04/30/2002 | US6379133 Scroll compressor with reduced stiction surface for check valve |
| 04/30/2002 | US6378552 Dual speed flow control valve |
| 04/30/2002 | US6378547 Activation pin |
| 04/25/2002 | US20020047025 Valve ball |
| 04/25/2002 | US20020046772 Valve connector |
| 04/24/2002 | EP1199476A2 Vacuum pump |
| 04/24/2002 | EP1199207A2 Fuel tank vent control valve |
| 04/24/2002 | CN1346026A Multi-pressure ball-shape lifting control valve |
| 04/23/2002 | US6375046 Pouch reservoir valve |
| 04/18/2002 | WO2002031402A1 A refilled type butane gas cask |
| 04/18/2002 | WO2002031391A1 Non-return valve with a ball-shaped valve body |
| 04/18/2002 | WO2002031390A1 Non-return valve with a moving valve body and method of blocking the reverse liquid flow by means of the valve |
| 04/18/2002 | WO2002030782A1 Self-sealing valve |
| 04/18/2002 | US20020043282 Backflow preventer assembly |
| 04/17/2002 | CN2486798Y New motor vehicle valve inside |
| 04/17/2002 | CN2486797Y Adjustable guide device for residence common air exchaut channel |
| 04/16/2002 | CA2229498C Compressor inlet valve |
| 04/11/2002 | US20020042289 External operating unit for a mobile radio telephone |
| 04/11/2002 | US20020040734 One- way control valve |
| 04/10/2002 | CN2485493Y Automatic air valve for aerated matress |
| 04/10/2002 | CN2485492Y Self sucking or little pressure check valve |
| 04/10/2002 | CN1343470A Shoes having inflatting bag and safety discharge valve |
| 04/09/2002 | US6367505 Check valve with oversized bill |
| 04/04/2002 | WO2002027685A1 Double check valve assembly for fire suppression system |