| Patents for F16K 15 - Check valves (18,131) |
|---|
| 01/05/2005 | EP1131123B1 Phonation valve for breathing tube |
| 01/05/2005 | DE10311251B3 Rückflussverhinderer Backflow preventer |
| 01/05/2005 | CN2668957Y Pump station type liquid-controlled non-return butterfly valve with dual circuit device |
| 01/05/2005 | CN2668956Y Check valve |
| 01/05/2005 | CN2668955Y Track-type smoke non-return valve |
| 01/05/2005 | CN2668954Y Sliding type smoke non-return valve |
| 01/05/2005 | CN1561248A Inflatable articles with self-contained inflation mechanism |
| 01/04/2005 | US6837485 Flow quantity control valve |
| 01/04/2005 | US6837265 One way anti-back flow valve |
| 01/04/2005 | CA2135613C Fluid pressure-intensifying apparatus |
| 12/30/2004 | US20040267185 Pressure actuated valve with improved biasing member |
| 12/30/2004 | US20040265523 Structure of fluid container and method and apparatus for producing the fluid container |
| 12/30/2004 | US20040265035 Retractable writing instrument |
| 12/30/2004 | US20040261868 Collapsible dispensing system |
| 12/30/2004 | US20040261867 Flap-type vehicle cabin exhauster |
| 12/30/2004 | US20040261861 Integratable sanitary part |
| 12/30/2004 | US20040261848 Valve core |
| 12/30/2004 | US20040261847 Valve core |
| 12/30/2004 | US20040261795 Respirator mask and valve |
| 12/30/2004 | CA2434527A1 Locking valve stem and cap apparatus |
| 12/29/2004 | EP1491804A1 Valve core |
| 12/29/2004 | EP1491803A1 Valve |
| 12/29/2004 | EP1491380A2 Leak protection for a pipe manufactured by gas injection moulding |
| 12/29/2004 | EP1491373A1 Flap-type vehicle cabin exhauster |
| 12/29/2004 | EP1490604A1 Pressure control valve for hydraulic actuation assembly |
| 12/29/2004 | CN2667257Y Antiexplosive overpressure air exhaust valve |
| 12/28/2004 | US6835053 Check valve |
| 12/28/2004 | US6834678 Pump valve |
| 12/28/2004 | US6834677 Over-molded check valves for fluid delivery systems |
| 12/28/2004 | US6834675 Integrated multipurpose caged valve |
| 12/28/2004 | US6834671 Check valve for micro electro mechanical structure devices |
| 12/28/2004 | CA2170630C A device and a method for blocking a liquid flow through a pipe in one direction |
| 12/23/2004 | WO2004111510A1 Flat valve device |
| 12/22/2004 | EP1488149A1 Disc check valve |
| 12/21/2004 | US6832630 Adjustable air supply valve of air cushion bed |
| 12/21/2004 | US6832626 Modular two way check valve construction |
| 12/16/2004 | WO2004109241A1 Liquor tot dispenser |
| 12/16/2004 | WO2004109168A1 Valve for safety tire, filling adaptor with coupler, pressure-releasing adapter, and pressure-releasing method |
| 12/16/2004 | WO2004109093A1 Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 12/16/2004 | WO2004108518A1 Security valve |
| 12/16/2004 | WO2004090394B1 Backflow preventer |
| 12/16/2004 | US20040250864 Sanitary check valve |
| 12/16/2004 | US20040250863 Backwater valve seat protector |
| 12/16/2004 | US20040250858 Integral check valve for nozzles |
| 12/16/2004 | US20040250852 Dual use air chuck |
| 12/16/2004 | DE10322478A1 Druckregler Pressure regulator |
| 12/15/2004 | EP1486708A1 Air valve |
| 12/15/2004 | EP1485618A1 Valve arrangement for reciprocating machinery such as a pump and a compressor |
| 12/15/2004 | EP1295065B1 A device for protecting an open gas channel |
| 12/15/2004 | CN1180182C Compressor valve plate |
| 12/14/2004 | US6830065 Duct connector apparatus and method |
| 12/09/2004 | WO2004106788A1 Self-closing valve assembly and system for supplying a substance which is provided with such a valve assembly |
| 12/09/2004 | WO2004106786A1 Fast coupling unit with integrated check valve |
| 12/09/2004 | US20040244842 Slow-release check valve |
| 12/09/2004 | US20040244841 Passively actuated valve |
| 12/09/2004 | US20040244840 Valve |
| 12/09/2004 | DE10346211A1 Rückschlagventil, insbesondere für eine Hochdruckpumpe einer Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine Non-return valve, in particular for a high pressure pump of a fuel injection device for an internal combustion engine |
| 12/09/2004 | DE10311252B3 Rückflussverhinderer Backflow preventer |
| 12/09/2004 | CA2526548A1 Curing composition |
| 12/08/2004 | EP1484537A1 Check valve |
| 12/08/2004 | EP1483167A1 Valve stop |
| 12/08/2004 | EP1313975A4 Air admittance valve assembly |
| 12/08/2004 | EP1135241B1 A cartridge for contamination-free dispensing and delivery systems |
| 12/08/2004 | EP0935719B1 Non-return valve, especially for a piston pump |
| 12/08/2004 | CN2662030Y Energy saving environment protection countercurrent-proof magnetic force sealer |
| 12/08/2004 | CN2662029Y Special purpose microresistance check valve for oilfield |
| 12/08/2004 | CN2662028Y Backflow self-closing valve |
| 12/07/2004 | US6827105 Valve |
| 12/05/2004 | CA2469541A1 Valve |
| 12/02/2004 | US20040238778 Valve assembly |
| 12/02/2004 | US20040238422 Filter apparatus and associated method |
| 12/02/2004 | US20040238043 Inlet or outlet valve for a pump |
| 12/02/2004 | US20040238042 Check valve |
| 12/02/2004 | DE202004010407U1 Inflatable bed has non-return valve connecting cushion and head parts that allows air to flow from cushion part to head part when pressure in cushion part exceeds that in head part |
| 12/02/2004 | DE19647027B4 Heizkörperventil Radiator valve |
| 12/01/2004 | EP1482223A1 Check valve |
| 12/01/2004 | EP1481182A1 Lighter with improved thermodynamics |
| 12/01/2004 | CN2660264Y Tyre inflation valve |
| 12/01/2004 | CN2660263Y Electric backflow preventer for kitchen |
| 12/01/2004 | CN2660262Y Overlapping two-way/one-way throttle |
| 12/01/2004 | CN2660261Y Rubber check valve |
| 12/01/2004 | CN1551960A Check valve having variable opening-force threshold |
| 12/01/2004 | CN1551755A Vacuum demand flow valve |
| 11/30/2004 | US6824117 Non-return valve |
| 11/30/2004 | US6823905 Inflation valve assembly for a dunnage or cargo air bag |
| 11/30/2004 | US6823896 Valve assembly of a reciprocal compressor |
| 11/30/2004 | US6823893 Non-return valve |
| 11/30/2004 | US6823892 Automatic valve for the stabilization of a thermostatic mixing device |
| 11/30/2004 | US6823891 Compressor suction reed valve |
| 11/30/2004 | CA2469381A1 Check valve |
| 11/28/2004 | CA2430198A1 One-way degassing valve for containers of powder products such as coffee and the like |
| 11/25/2004 | WO2004101382A1 Valve for dispensing liquids and method of use |
| 11/25/2004 | WO2004100844A1 A portable hand-operable device for applying pneumatic pressure pulses to an ear canal |
| 11/25/2004 | US20040234423 hinged membrane; deposition device; collecting liquid samples |
| 11/25/2004 | US20040233258 Ink tank |
| 11/25/2004 | US20040232375 Angled-slit bite-valve |
| 11/25/2004 | US20040232368 Exhaust valve for a bag |
| 11/25/2004 | US20040231728 Flapper type fill tube check valve |
| 11/25/2004 | US20040231721 Spill-resistant relief valve |
| 11/25/2004 | DE10335380B3 Back flow prevention device for drinking water line has 2 successive non-return valves within inner housing displaced within outer housing for controlling leakage openings |