| Patents for F16K 15 - Check valves (18,131) |
|---|
| 07/19/1994 | CA1330749C Check valves |
| 07/15/1994 | CA2111502A1 One-way disc valve |
| 07/13/1994 | EP0605624A1 Pneumatic support system |
| 07/13/1994 | CN2171754Y Valve cabable for check or pressure test |
| 07/12/1994 | US5327933 Check valve of fuel tank |
| 07/12/1994 | US5327930 Nuclear reactor locking piston drive system and valve assembly |
| 07/12/1994 | CA2113038A1 Globe valve |
| 07/05/1994 | CA1330514C Quick-setting diaphragm valve, namely for safety clothes |
| 06/30/1994 | DE4309262A1 Non=return valve |
| 06/29/1994 | EP0604385A1 Automatic valve |
| 06/28/1994 | US5324267 Slitted pressure cuff check valve |
| 06/28/1994 | US5323807 Stop drop valve |
| 06/28/1994 | US5323773 Throttle valve of diving respirator |
| 06/23/1994 | WO1994013987A1 Miniature duckbill valve |
| 06/23/1994 | WO1994013986A1 Non-return valve |
| 06/23/1994 | DE4242457A1 Lock for gas pressure reservoir in air bag system |
| 06/23/1994 | CA2151840A1 Non-return valve |
| 06/23/1994 | CA2151135A1 Miniature duckbill valve having a low cracking pressure and high flow rate |
| 06/22/1994 | CN2169753Y One-way air valve inside |
| 06/22/1994 | CN2169752Y Air cock |
| 06/22/1994 | CN2169751Y Spring plate type check valve |
| 06/16/1994 | DE4342104A1 Non-return valve for vehicle fuel tank filler - is fitted to bottom of filler pipe by clip fasteners and has floating valve seal operable under back-pressure or when tank is full |
| 06/15/1994 | EP0601491A1 Closure means and sealing valve for container openings |
| 06/15/1994 | CN2169006Y Check valve with butterfly gate |
| 06/15/1994 | CN2169005Y Safety check valve for liquid fuel tank |
| 06/14/1994 | US5320253 Apparatus for dispensing agricultural liquid chemicals |
| 06/14/1994 | US5320181 Combination check valve & back pressure valve |
| 06/14/1994 | US5320136 Magnetically operated check valve |
| 06/09/1994 | WO1994012375A1 Immersion-proof abs/drive slip control pumping assembly with check valve |
| 06/08/1994 | CN2168143Y Anti-leakage air valve |
| 06/08/1994 | CN2168142Y Tyre air-vave of strong double-sealing without air-leakage for a lang-term |
| 06/08/1994 | CN2168141Y Gas-water check valve of drainage horizontal tube |
| 06/07/1994 | US5318063 Fluid check valve with replaceable valve seat and flapper assembly |
| 06/01/1994 | EP0599432A1 Check valve with a throttle device |
| 06/01/1994 | EP0354972B1 Valve device |
| 06/01/1994 | CN2166992Y Arrangement for tyre inflating to motor bike |
| 05/26/1994 | WO1994011650A1 Dual in-line height control valve assembly |
| 05/26/1994 | DE4327825A1 Non-return throttle valve restricting fluid flow |
| 05/26/1994 | DE4239361A1 Tauchdichtes ABS/ASR-Pumpenaggregat mit Rückschlagventil Diving Waterproof ABS / ASR-pump unit with non-return valve |
| 05/19/1994 | DE4238094A1 Hydraulic valve sealing system - has ring valve seat and specially shaped sealing face to form guide interacting with inner wall of valve housing. |
| 05/18/1994 | CN2165300Y Rotary-open type check valve |
| 05/18/1994 | CN2165299Y Titanium check valve with core pulling ring |
| 05/18/1994 | CN2165298Y Double sealed fluid-filled valve |
| 05/17/1994 | US5312083 Arrangement in a media-conducting unit |
| 05/11/1994 | EP0596754A2 Nuclear reactor hydraulic control rod drive with locking piston system and valve assembly |
| 05/11/1994 | EP0596419A1 Valve, especially for a hose coupling |
| 05/04/1994 | EP0595427A1 Check valve pull assembly |
| 05/04/1994 | EP0595384A1 Polymer composite reed valve |
| 05/04/1994 | EP0595313A1 Valved discharge mechanism of a refrigerant compressor |
| 05/03/1994 | US5308163 Check valve for fluid containers and a method of manufacturing the same |
| 05/03/1994 | US5307835 Top-entry check valve with threaded fasteners |
| 04/27/1994 | EP0593490A1 Check valve. |
| 04/26/1994 | US5306187 Inflator manifold having plastic parts |
| 04/26/1994 | US5305795 Nonreturn valve, in particular for medical infusion appliances |
| 04/26/1994 | US5305787 Disk valve with improved disk mounting |
| 04/26/1994 | US5305786 One-way valve assembly |
| 04/26/1994 | US5305783 Elastomeric sleeve and method for assembling the sleeve on a one-way valve body |
| 04/20/1994 | CN2162570Y Pressure regulating reflux valve |
| 04/20/1994 | CN2162569Y 止回阀 Check |
| 04/19/1994 | US5303738 Control valve |
| 04/19/1994 | CA1328577C Pump and valve apparatus |
| 04/14/1994 | WO1994008148A1 Closure valve for pistons of self-regulating hydraulic devices |
| 04/14/1994 | CA2123116A1 Closure valve for pistons of self-regulating hydraulic devices |
| 04/13/1994 | CN1024214C Sealed air valve |
| 04/12/1994 | US5301709 Check valve and method of assembly |
| 04/12/1994 | US5301707 Anti-whistling duckbill valve |
| 04/06/1994 | EP0591087A1 Cut-off device for gas conduits under low or mean pressure |
| 04/06/1994 | EP0591043A1 Aerosol type packaging container refillable with compressed gas |
| 04/06/1994 | EP0590339A1 Directional valve |
| 04/05/1994 | US5299598 Check valve |
| 03/31/1994 | WO1994006505A1 Fluid flow check valve |
| 03/30/1994 | EP0589667A1 Valved discharge mechanism of a refrigerant compressor |
| 03/30/1994 | CN2160043Y Valve inside |
| 03/30/1994 | CN2159816Y Auto water feeding valve for foam agent propelling toy |
| 03/29/1994 | US5297635 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system |
| 03/29/1994 | US5297580 High pressure ball and seat valve with soft seal |
| 03/29/1994 | US5297579 Ball and seat-type check valve for downhole rod pump |
| 03/29/1994 | US5297576 Oral inflation and relief tube |
| 03/23/1994 | EP0479921B1 Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus |
| 03/22/1994 | US5296145 Apparatus and method for supercritical fluid extraction |
| 03/22/1994 | US5295506 Flow control apparatus |
| 03/16/1994 | EP0587380A1 Drug delivery arrangement |
| 03/16/1994 | CN2158955Y Valve for controlling flow direction of air |
| 03/15/1994 | US5294093 Safety valve |
| 03/15/1994 | US5293898 For a gas pipe |
| 03/09/1994 | EP0586340A1 Control valve assembly |
| 03/09/1994 | EP0586067A1 Relief valve |
| 03/09/1994 | EP0474792B1 Subsea barrier valve |
| 03/09/1994 | CN2158476Y Single direction valve |
| 03/03/1994 | DE4321787A1 Non-return spring-loaded ball valve for dosing pump - forms valve seat with annular sealing edge having diameter smaller than that of elastomeric ball, and joined by spherical sealing edge to second annular edge |
| 03/01/1994 | US5290008 Discharge controlling device for faucets |
| 03/01/1994 | CA2104920A1 Control valve assembly |
| 02/23/1994 | CN2157363Y Lift-type check stop valve |
| 02/23/1994 | CN1082680A Hydraulic (pneumatic) slowly closing off-axial butterfly valve |
| 02/22/1994 | US5287886 Gas line override valve |
| 02/17/1994 | WO1994003746A1 Bi-directional vent and overpressure relief valve |
| 02/16/1994 | CN2156364Y 夹持式磁性止回阀 Clamp-magnetic valve |
| 02/15/1994 | US5285816 One way valve |
| 02/09/1994 | CN2155482Y Multi-functional self-pressing programmable valve |
| 02/02/1994 | EP0580794A1 Enclosing sleeve for one-way valve |