Patents for F16K 15 - Check valves (18,131)
01/2002
01/10/2002US20020002997 Valve
01/10/2002CA2412837A1 Actuator comprising moveable membrane
01/09/2002EP1170184A1 Valve connector
01/09/2002CN2470626Y Non-return reflux valve
01/09/2002CN1329976A Forming method and device for electric material cladded ball containing metal core
01/03/2002WO2002001109A1 A device for protecting an open gas channel
01/03/2002WO2002000291A1 Medium cracking pressure valve arrangement
01/03/2002US20020002351 Swabbable luer-activated valve
01/03/2002US20020002350 Medium cracking pressure valve arrangement
01/03/2002DE10045120A1 Gas cylinder closing device has integral pressure reducer with sprung piston
01/03/2002DE10030972A1 Takeoff device for oxygen-containing gas in one-way compressed gas capsule has filling device in casing with receiving aperture having internal thread
01/03/2002DE10030609A1 Ventil für eine Kraftstofffördereinheit Valve for a fuel delivery unit
01/03/2002DE10030603A1 Externe Bedieneinheit für ein Mobilfunktelefon External control unit for a mobile phone
01/02/2002EP1168784A2 External operating unit for a cellular phone
01/02/2002EP1167899A2 Supercooling degree control type expansion valve
01/02/2002EP1167845A2 Valve for a fuel pumping unit
01/02/2002EP1166818A1 Medium cracking pressure valve
01/02/2002CN2469282Y Pin easy to be controlled for inflating balls
01/02/2002CN2469281Y 缓开快闭式止回阀 Slow opening valve closed fast
01/02/2002CN2469280Y Delay opening/closing check valve
01/02/2002CN2469279Y Emergency check valve with auxiliary opening device
01/02/2002CN2469278Y Quick-action closing check valve
01/02/2002CN1329705A Ball check valve
01/01/2002US6334441 Phonation valve for breathing tube
12/2001
12/29/2001CA2351300A1 Medium cracking pressure valve arrangement
12/27/2001WO2001097663A1 Spill proof closure and cup
12/27/2001US20010054448 Check valves
12/27/2001US20010054447 Structure faucet water diversion device
12/27/2001US20010054442 Releasable non-return valve with connector
12/20/2001WO2001095982A1 Self contained sport ball inflation mechanism
12/20/2001WO2001095981A1 Self contained sport ball inflation mechanism
12/20/2001DE10037967C1 Back-flow prevention device, for exhaust gas line, has floating body with central section and outer section raised in succession dependent on power range
12/20/2001DE10028398A1 Non-return valve for flowing media has closing force touching valve member upstream of valve seat and on valve member downstream of valve seat, radial recesses
12/20/2001CA2411265A1 Self contained sport ball inflation mechanism
12/20/2001CA2411262A1 Self contained sport ball inflation mechanism
12/19/2001EP0907850B1 Sealing devices
12/18/2001CA2071343C Apparatus for supporting deep breathing and check valve for the same
12/13/2001US20010050108 Fluid supply valve
12/12/2001CN2465061Y Coupling flow guiding device for residence shared exhausting duct
12/12/2001CN2465009Y Guiding type safety valve with discharging valve device
12/12/2001CN1326420A Safety device for liquid aerating apparatus
12/12/2001CN1326399A Cartridge for contamination-free dispensing and delivery systems
12/11/2001US6328542 Check valve system
12/11/2001US6328275 Bidirectional pilot operated control valve
12/11/2001US6328069 Oil purging device
12/11/2001US6328062 Torsion spring connections for downhole flapper
12/11/2001CA2247489C Asymmetrical check valve
12/05/2001EP0807027B1 A device for operating a valve
12/05/2001CN2463629Y Large flow liquid-control one-way valve
12/05/2001CN2463628Y Air valve
12/05/2001CN2463627Y Protective valve for compressor
12/04/2001US6325090 Backflow preventer assembly
11/2001
11/29/2001WO2001090577A1 Micromachined fluidic device and method for making same
11/29/2001WO2001089695A2 Valve for use in microfluidic structures
11/29/2001DE10023323A1 Table or console type clamping device for machining centres has valve element with operating element underneath and connected to flexible cover so that it is automatically activated when workpiece is fitted on
11/29/2001CA2408353A1 Valve for use in microfluidic structures
11/28/2001EP1158228A1 Valve for bi-directional flow
11/28/2001EP1157220A1 Enhanced computer optimized adaptive suspension system and method
11/28/2001EP1156939A1 Suspension control unit and control valve
11/28/2001EP0850674B1 One-way valve for inflatable bodies and production process for an inflatable object incorporating said valve
11/28/2001CN2462209Y Shock reducing silencing water tap
11/28/2001CN1324307A Pressure cutoff valve
11/27/2001US6322468 Pressure relief valve and dual path vent disc for hydraulic tensioner
11/27/2001US6322051 Elastomeric molded valve stem and spring hat
11/22/2001WO2001088417A1 Valve union with water saving function
11/22/2001US20010042755 Valve arrangement for an automatically sealing cup
11/22/2001US20010042565 Apparatus with a check function for controlling a flow resistance of a photoresist solution
11/21/2001EP1156244A2 Bidirectional check valve
11/21/2001EP1156218A1 Fluid device with bellows
11/21/2001EP1154857A1 System, method and computer program product for automated fluid or gas delivery
11/21/2001CN2460819Y Combined transmission controllable check valve
11/21/2001CN2460818Y Controllable check valve
11/21/2001CN2460817Y Combined controllable check valve
11/21/2001CN2460816Y Check valve
11/20/2001US6319410 Apparatus and method for super critical fluid extraction
11/20/2001US6318814 Valve for hydraulic brake system with slip control
11/20/2001US6318404 Backflow valve
11/20/2001US6318403 Combination manifold and check valve for a water heater
11/15/2001WO2001086148A1 Check valve for a piston pump
11/15/2001WO2001040586B1 Backflow prevention assembly
11/15/2001US20010040055 Rock drill bit and a check valve therefor
11/15/2001US20010039966 Automatic valve
11/15/2001DE10041324A1 Entsperrbares Rückschlagventil mit Anschluss Pilot operated check valve with connection
11/15/2001DE10022811A1 Check valve for reciprocating pump for vehicle brake unit; is made in one piece and has coil spring with connection element and foot ring arranged at each end formed as one piece with spring
11/15/2001DE10022808A1 Check valve for reciprocating pump for vehicle brake unit; has valve seat part with valve closure body pressed against valve seat by spring clip fitting over valve closure body
11/15/2001DE10022350A1 Water or compressed air fitting has insertable connections and is inserted into, flanged onto, screwed onto or into or clipped into connecting housing and simultaneously connection
11/15/2001DE10021921A1 Einsatzteil für ein Ventil, vorzugsweise ein Druckbegrenzungsventil Insert member for a valve, preferably a pressure relief valve
11/14/2001EP1154195A1 Pressure gas cartridge and receiving element for lodging the pressure gas cartridge
11/14/2001EP1154177A2 Check valve
11/14/2001CN2459500Y Transmission type controlleable one way valve
11/14/2001CN2459499Y Check valve for pipe line
11/14/2001CN2459498Y Reverse flow proof one way valve
11/13/2001US6314993 Swing check valve
11/13/2001US6314985 Valve connector
11/13/2001US6314984 Preferred valve stops with cushions
11/13/2001US6314983 Flow controller for a pool cleaner
11/08/2001US20010039237 Rolling granulation process to increase density;smaller pore size; durability
11/08/2001US20010037808 Methods and devices for use in performing pulmonary procedures
11/07/2001EP1152178A2 Insert for valve
11/07/2001EP1150897A1 System for contamination-free delivering flowable materials