| Patents for F16K 15 - Check valves (18,131) |
|---|
| 06/29/2004 | US6755204 Multi-way valve employing two-state operator |
| 06/29/2004 | CA2105945C Drug delivery arrangement |
| 06/24/2004 | WO2004053369A1 High pressure check valve |
| 06/24/2004 | WO2004053368A1 Backflow preventer |
| 06/24/2004 | WO2004053243A1 Sanitary fitting |
| 06/24/2004 | WO2003097286A3 Self-sealing one-piece vacuum fitting for bagging of composite materials |
| 06/24/2004 | US20040120838 Non-return valves for vacuum pumps |
| 06/24/2004 | US20040118458 Valve |
| 06/24/2004 | US20040118105 Normally open reverse flow flapper valve |
| 06/24/2004 | DE10353865A1 Nozzle cap for screwing to a distal end of a nozzle e.g. supplying a vehicle air-conditioning system with a coolant comprises a retaining wall which, together with an end wall, holds an edge of a sealing element |
| 06/24/2004 | DE10257888A1 Filler valve, e.g. pilot-controlled check valve for hydraulic presses has movement measuring device with measuring rod, connected to valve cone, to determine position and measure cone stroke |
| 06/24/2004 | CA2508050A1 High pressure check valve |
| 06/23/2004 | EP1431636A1 Valve |
| 06/23/2004 | EP1431041A1 High shear ball check valve device and a liquid ink image producing machine using same |
| 06/23/2004 | EP1429970A2 Pressure-activated flexible valve |
| 06/23/2004 | CN2621247Y Pipeline check valve for protection against oil burglary of oil field pipe network |
| 06/22/2004 | US6752167 Freeze resistant automatic draining wall hydrant with dual check vacuum breaker |
| 06/17/2004 | US20040114000 High shear ball check valve device and a liquid ink image producing machine using same |
| 06/17/2004 | US20040112429 Valve suitable for use in an oil circuit of an internal combustion engine |
| 06/17/2004 | US20040112208 Pilot-operated check valve cartridge |
| 06/16/2004 | EP1192374B1 Device for controlling pressure |
| 06/16/2004 | EP1109976B1 Apparatus for preventing reverse flow in drainage |
| 06/16/2004 | CN2620652Y Dismounting pressure regulator |
| 06/16/2004 | CN1153606C Chelate-forming filter, process for producing the same, and method of purifying liquid with the filter |
| 06/15/2004 | US6748979 Fluid supply valve |
| 06/15/2004 | US6748973 Valve means |
| 06/15/2004 | US6748971 Discharge valve assembly of fluid machinery |
| 06/10/2004 | WO2004048771A1 Pressure valve comprising an additional jet adjusting function |
| 06/10/2004 | WO2003083335A9 Disc check valve |
| 06/10/2004 | US20040108000 Ultrahigh-pressure check valve |
| 06/09/2004 | DE10308727B3 Compound component, especially a vehicle ventilation port with a swing flap, has a tube section of a hard plastics and a molded section of an elastic plastics with a partial bond for movement |
| 06/09/2004 | CN2620204Y Pneumatic hinge door |
| 06/09/2004 | CN2620149Y Air inlet valve for inflatable product |
| 06/09/2004 | CN2620148Y Sealed duct non-return exhausting valve |
| 06/09/2004 | CN1502834A Hydraulically actuated by-pass valve |
| 06/03/2004 | WO2004046593A1 Check valve |
| 06/03/2004 | WO2004045343A1 Inflatable device |
| 06/03/2004 | WO2004005131A9 Gas valve |
| 06/02/2004 | EP1424517A2 Hydraulically actuated by-pass valve |
| 06/02/2004 | EP0910764B1 Container and sealing device for use in the container |
| 06/02/2004 | CN2619115Y Check valve capable of conveniently cleaning seal surface |
| 06/02/2004 | CN2619114Y Anti-overflow water valve for house |
| 06/02/2004 | CN2619098Y Two-way flow pilot type electromagnetic valve |
| 06/02/2004 | CN1502026A Rotary connector with valve |
| 06/01/2004 | US6742540 Two-way orifice check valve device for hydraulic circuit |
| 05/27/2004 | WO2004030804A8 Non-return valve for a petrochemical reactor |
| 05/27/2004 | US20040099674 Elastomeric valve for spill-proof feeding devices |
| 05/27/2004 | DE202004003928U1 Self closing fluid closure valve for roof drain pipe has ring fitting in pipe with counterbalanced flap |
| 05/27/2004 | DE10348558A1 Rückschlagventildichtungsanordnung Check valve seal assembly |
| 05/26/2004 | EP1422351A1 Backflow preventer |
| 05/26/2004 | EP1421308A1 Non-return valve for a pump |
| 05/26/2004 | EP1421304A1 Non-refillable valve for a gas cylinder |
| 05/26/2004 | EP1421012A1 Pressure relief valve for a packaging container and device for applying the pressure relief valve to a web of material |
| 05/26/2004 | CN2618018Y Covered filling-in and exhausting nozzles |
| 05/26/2004 | CN2618017Y Controllable check valves |
| 05/26/2004 | CN2618016Y Multifunctional fluid controlled valves |
| 05/26/2004 | CN2618015Y Spring uniflow valves |
| 05/26/2004 | CN1499993A Filter press type dewatering system, dewatering method, dewater, check valve, and opening/closing valve |
| 05/26/2004 | CN1499114A Bamboo hat-type valve body |
| 05/26/2004 | CN1499113A 止回阀 Check |
| 05/25/2004 | US6739847 Structure of check valve with silencing cover |
| 05/25/2004 | CA2364337C Valve with increased inlet flow |
| 05/25/2004 | CA2343303C Inflatable personal flotation device with gas inlet nozzle |
| 05/21/2004 | WO2004042232A1 Compressor |
| 05/20/2004 | US20040094207 Unlockable non-return valve for very high system pressures |
| 05/19/2004 | DE20320356U1 Non-return valve system for high-pressure jet washer comprises two non-return valves in series, one of which is fitted with membrane seal and slides at angle to line linking inlet and outlet |
| 05/19/2004 | DE20219057U1 Non-return system comprises valve in casing which fits into pipe, sealing ring fitting into annular groove on outside of casing and having flexible section which moves to leakage position to balance pressure inside it |
| 05/19/2004 | CN2616774Y Self-sealed gas check valve |
| 05/19/2004 | CN2616773Y Check valve |
| 05/19/2004 | CN2616772Y Check valve with heat-sensitive sensor joint |
| 05/19/2004 | CN1498322A Bleed member and bleed valve assembly |
| 05/19/2004 | CN1498321A 阀 Valve |
| 05/19/2004 | CN1150565C Control rod drive water pressure apparatus |
| 05/18/2004 | CA2199926C Cartridge check valve |
| 05/13/2004 | WO2004039608A2 Connector-coupler-locking inflate/deflate valve |
| 05/13/2004 | WO2004023593A3 Metal air cell with internal air mover and pressure-sensitive valves for regulating the air flow |
| 05/13/2004 | US20040092862 Valve assembly |
| 05/13/2004 | US20040091376 Check valve seal assembly |
| 05/13/2004 | US20040089349 Bi-directional constant flow device |
| 05/13/2004 | US20040089348 Rotary connector with valve |
| 05/13/2004 | DE10249938A1 Micro system valve has a ferromagnetic valve element moved by permanent magnets on a slider mounting |
| 05/13/2004 | DE10249936A1 Valve design for micro systems has ferromagnetic balls held onto valve seats or held away from the valve seats using permanent magnet sliders |
| 05/12/2004 | EP1417988A1 Respirator |
| 05/12/2004 | CN1149335C Valve-fixing structure of reciprocating compressor |
| 05/06/2004 | WO2004038789A1 Substrate storage container |
| 05/06/2004 | WO2004038268A1 Inflation valve |
| 05/06/2004 | WO2004037149A1 Smart decubitus mat |
| 05/06/2004 | US20040086405 Shoe with inflatable bladder and secure deflation valve |
| 05/06/2004 | US20040084094 Fuel feeding pipe |
| 05/06/2004 | US20040083723 Device for the post-treatment of exhaust gases of an internal combustion engine |
| 05/06/2004 | EP1416204A1 Check valve |
| 05/06/2004 | EP1415678A1 Valves |
| 05/06/2004 | EP1415576A2 An inflatable system |
| 05/05/2004 | CN1493807A Single direction valve and its application method |
| 05/04/2004 | US6729368 Lavatory service shut off valve |
| 05/04/2004 | US6729347 Device for pressure regulation |
| 05/04/2004 | CA2336265C Bidirectional check valve for hydraulic system |
| 04/29/2004 | WO2004036098A1 Spill-resistant relief valve |
| 04/29/2004 | WO2004036097A1 A safety valve |
| 04/29/2004 | WO2004035210A2 Multiple well device |