Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 15 - Check valves
Patents for F16K 15 - Check valves (18,131)
12/2008
12/10/2008CN101321978A Valve for an inflatable product
12/10/2008CN100441787C Multifunction water-saving spray head
12/09/2008US7461515 Sequential hot gas defrost method and apparatus
12/08/2008CA2617202A1 Vacuum release mechanism
12/08/2008CA2591046A1 Vacuum release mechanism for piston valve
12/04/2008WO2008147792A2 Improved check valve for fluid injector
12/04/2008WO2008144951A1 Drainage device
12/04/2008WO2008027939A3 Check valve with locking key and pull cord
12/04/2008WO2008011240A3 Magnetic check valve
12/04/2008US20080299850 Rescue water craft
12/04/2008US20080295900 Fluid jet for providing fluid under pressure to a desired location
12/04/2008DE102007023659A1 Valve, particularly check valve, has conducting channel that is connected with channel, which flows over valve seat into valve chamber, and magnetic circuit is provided that is produced by magnet
12/04/2008CA2688345A1 Valve and dispenser
12/04/2008CA2687624A1 Improved check valve for fluid injector
12/03/2008EP1996848A1 Dual seal valve
12/03/2008EP1307278B1 Portable oxygen concentration system and method of using the same
12/03/2008CN201159335Y Check drainer
12/03/2008CN201159311Y Air valve for gas package bag with special shape
12/03/2008CN201159310Y Check valve
12/03/2008CN201157265Y Water-outlet valve of machine for cool and hot drink
12/03/2008CN101315131A Special inflating valve for French air faucet
12/03/2008CN101315130A Design method and device of check valve
12/02/2008US7458560 Diaphragm valve
12/02/2008US7458392 Spring actuated check valve
12/02/2008US7458391 Assembling a siphonable filler tube with a check valve on a fuel tank
12/02/2008US7458385 Flapper type fill tube check valve
11/2008
11/27/2008WO2008143317A1 Opening/closing lid attachment structure
11/27/2008WO2008142415A1 Valves
11/27/2008US20080289703 Hydraulic Check Valve Assembly
11/27/2008CA2688086A1 Valves
11/26/2008EP1994482A2 Virtual heart valve
11/26/2008EP1994321A1 Control valve with profiled packing element
11/26/2008EP1994319A1 Suction valve
11/26/2008EP1858753B1 First stage pressure regulator for a two-stage underwater breathing apparatus
11/26/2008EP1747393B1 Combination umbrella and inverted bi-directional valve
11/26/2008CN201155598Y Rubber one way valve
11/26/2008CN101313143A Pressure relief device
11/26/2008CN101311591A Split type high performance check valve
11/26/2008CN100436817C Pump valve with controlled stroke
11/25/2008US7455180 Substrate storage container
11/25/2008US7455071 Hydraulic control valve for drip hoses
11/25/2008CA2446529C Disconnect check valve mechanism for coiled tubing
11/20/2008WO2008022048A3 Microfluidic valve having free-floating member and method of fabrication
11/20/2008US20080283131 Priming Valve Device for Water Circuit of a Beverage Machine
11/20/2008DE10258735B4 Durchflussmengen-Steuerungsventil Flow rate control valve
11/20/2008DE102007023121A1 Valve and valve guide for automotive piston engine with spring-loaded locating plungers
11/19/2008EP1692420B1 Air turbine starter having a low differential check valve
11/19/2008EP1604137B1 Insertable component which can be inserted into a gas or liquid line
11/19/2008CN201152383Y Lifting check valve
11/19/2008CN201152382Y Water medium one way valve
11/19/2008CN201152381Y Metal hard seal inclined valve plate butterfly type check-valve
11/19/2008CN201151504Y Hook type pump valve of vacuum compression bag
11/19/2008CN101309719A 压力启动的近端阀 Start of proximal pressure valve
11/19/2008CN101307785A Ultra-high hydraulic lifting valve group for double-acting hydraulic oil cylinder
11/19/2008CN100434006C Fluid system with internal filter
11/18/2008CA2260905C Valve for inflatable objects
11/13/2008WO2008134808A1 Duckbill type check valve with curved and resiliently biased closing seal
11/13/2008US20080277008 Multi-port suction reed vavle with optimized tips
11/13/2008US20080276997 Low rise rate direct acting relief valve
11/13/2008US20080276995 Monitoring device attachment to rubber valve stems
11/13/2008DE112006003392T5 Druckausgleichendes Ventil Pressure Balancing Valve
11/13/2008DE102007021853A1 Steckkupplung und Stutzen für eine Steckkupplung Plug-in coupling and nipple for a plug-in coupling
11/12/2008CN201149111Y Air valve nozzle
11/12/2008CN100432470C Integrated valve system
11/11/2008US7448408 Check valve
11/11/2008US7448407 Latched valve assembly
11/11/2008US7448406 Hydraulic coupler pressure relief tool
11/11/2008US7448219 Hingeless flapper valve for flow control
11/06/2008US20080271796 Apparatus and Methods to Dispense Fluid From a Bank of Containers and to Refill Same
11/06/2008US20080271792 Water guide for dishwasher
11/06/2008US20080271789 Pump Connector For Presta Valve
11/06/2008DE102007020692A1 Check valve for use in internal combustion engine of motor vehicle, has spring element pre-stressing closing body into end position, where closing body is pre-stressed in end position by magnetic attraction between elements
11/06/2008DE102007019265A1 Rückschlagventil Check valve
11/05/2008EP1988315A2 Fast acting aircraft engine bleed air check valve
11/05/2008EP1987862A1 Portable oxygen concentration system
11/05/2008CN201145067Y Duckbilled back valve
11/05/2008CN201145066Y Fire-fighting vehicle water filling pipe back valve
11/05/2008CN201145065Y Air discharge check valve
11/05/2008CN101300448A Valve for control of high pressure air pulse
11/05/2008CN101298298A Flow monitoring type non-return flap apparatus
11/04/2008US7445028 Check valves
11/04/2008US7444995 Fuel line check valve system for relief of diurnal pressure
10/2008
10/30/2008WO2008128839A1 Non-return valve
10/30/2008US20080267800 Reciprocating Pump
10/29/2008EP1985336A1 Toy ball
10/29/2008EP1985278A2 Method and apparatus for manufacture of vent disc for baby bottle
10/29/2008CN201141461Y Water-saving type water tap
10/29/2008CN201141457Y Inflating valve of straight channel type valve
10/29/2008CN201141456Y Bypass non-return valve of novel safety casing isolation system
10/29/2008CN101294631A One-way ventilating valve
10/29/2008CN100429454C Dual check-relief valve
10/29/2008CN100429441C Combination umbrella and inverted bi-directional valve
10/28/2008US7441563 Thermostatic expansion valve with check valve
10/28/2008US7441561 Reinforced valve assembly
10/23/2008WO2008127764A1 Poppet valve assembly
10/23/2008WO2008127763A1 Caged poppet valve
10/23/2008WO2008127108A1 Method of manufacturing an inflatable balloon and an inflatable balloon
10/23/2008WO2008126097A1 A dual plate check valve
10/23/2008WO2008125540A1 Valve and pump having such a valve
10/23/2008WO2008125492A1 Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance
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