Patents for F16K 15 - Check valves (18,131)
02/2003
02/13/2003WO2002082057A3 Split focusing cytometer
02/13/2003WO2002052186A3 Quick conecctor with one-way check valve
02/13/2003US20030032507 Inflatable articles with self-contained inflation mechanism
02/13/2003US20030029939 No drip valve
02/13/2003US20030029932 Headlamp cleaner & injection control method
02/13/2003US20030029508 Non-refillable valve for a gas cylinder
02/13/2003US20030029503 Vacuum demand valve
02/13/2003US20030029502 Vacuum demand valve
02/13/2003US20030029501 Vacuum demand valve
02/13/2003US20030029500 Vacuum demand valve
02/13/2003CA2456178A1 Inflatable articles with self-contained inflation mechanism
02/12/2003EP1282776A1 Check valve for a piston pump
02/12/2003CN2535627Y Pressure-balancing non-return valve of water stop-valve
02/06/2003WO2003010455A1 Reed valve and method of making same
02/06/2003WO2002049701A3 Sealing valve assembly for medical products
02/06/2003US20030024575 Vacuum demand valve
02/06/2003US20030024571 Check valve
02/06/2003US20030024569 Backflow preventer
02/06/2003US20030024331 Sealable air sampling bag and method of sealing an air sampling bag
02/05/2003EP1281900A1 Pressure adjuster valve and gas compressor using the same
02/05/2003EP1281897A1 Elastomeric valve
02/05/2003CN2534444Y Cone shape slow-closing check valve
02/05/2003CN2534443Y Butterfly type slow-closing check valve
02/05/2003CN1100947C Check valve apparatus for scroll compressor
02/04/2003USRE37974 Uni-directional fluid valve
02/04/2003US6513546 Check valve
02/04/2003US6513544 Compressor valve arrangement
01/2003
01/30/2003WO2003008849A1 Arrangement at a multi ball check valve
01/30/2003WO2003008848A1 Fluid valve, in particular a fluid check valve
01/30/2003US20030020286 Actuator
01/30/2003US20030020040 Elastomeric valve, and methods
01/30/2003US20030019528 Check valve for micro electro mechanical structure devices
01/30/2003US20030019527 Reed valve and method of making same
01/29/2003EP1279515A2 Ink cartridge for ink jet printer
01/29/2003EP1279514A2 Ink cartridge for ink jet printer
01/29/2003EP1279513A2 Ink cartidge for ink jet printer
01/29/2003EP0868156B1 Voice prosthesis-cartridge assembly
01/29/2003CN2533354Y 轮胎充气阀 Tire inflation valve
01/29/2003CN2533353Y Inflating check valve
01/29/2003CN1393640A Valve assembly for compressor
01/29/2003CN1100227C Moulded rubber valve-sealer for mode-presetted valve
01/28/2003US6510869 Ball check valve
01/23/2003WO2003006862A1 Check valve
01/23/2003WO2003005875A1 Dishwasher comprising spraying arms and a circulating pump
01/23/2003US20030015241 Filtered tire inflation valve
01/23/2003US20030015240 Poppet valve
01/22/2003EP1277005A1 Return check valve
01/22/2003CN2532328Y Vertical/horizontal two-purpose check valve
01/22/2003CN1099353C Two-piece check valve assembly
01/21/2003US6508270 Shut-off valve
01/21/2003US6508269 Quick connector with one-way check valve
01/21/2003US6508264 Valve for inflatable objects
01/16/2003WO2003004914A1 Check valve
01/16/2003WO2003004082A1 Breathing valve for cpap units, valve body and method
01/16/2003WO2002081934A3 Pneumatic valve interface for use in microfluidic structures
01/16/2003US20030010386 Flow control device and method of installation
01/16/2003US20030010167 Compressor valve plate
01/15/2003EP1274962A1 A vacuum-breaking valve for refrigeration appliances
01/15/2003CN2531204Y Energy-saving water pump control valve
01/15/2003CN2531203Y Water-hammer arresting non-return valve
01/15/2003CN2531195Y Air valve with automatic switch
01/15/2003CN1391665A Automatic valve for stabilization of thermostatic mixing device
01/15/2003CN1391066A Air discharging cover for oil soot exhauster
01/15/2003CN1098985C Tank transport pressure relief valve assembly
01/14/2003CA2181878C Uni-directional fluid valve
01/09/2003WO2003002899A1 Backflow prevention apparatus
01/09/2003WO2003002205A1 Respirator
01/09/2003WO2002070060A9 An improved sealing valve assembly for medical products
01/09/2003US20030007874 Ejector and negative-pressure supply apparatus using the same
01/09/2003US20030005970 Compressor valve assembly
01/09/2003US20030005928 Portable oxygen concentration system and method of using the same
01/08/2003EP1273715A1 Injection pipe with valves and process for production
01/08/2003EP1113977B1 Safety device for liquid aerating apparatus
01/08/2003CN2530115Y Automatic check valve for cooker hood
01/07/2003US6502837 Enhanced computer optimized adaptive suspension system and method
01/07/2003US6502598 Backflow prevention assembly
01/07/2003US6502557 Check valve for engine fuel supply system
01/03/2003WO2003001097A1 Respirator valve
01/03/2003WO2003001096A1 Pressure sensitive one-way valve
01/03/2003WO2003001095A1 Reciprocating piston pump adjustable inlet ball travel
01/03/2003WO2003001094A1 Check valve having variable opening-force threshold
01/03/2003WO2003000347A1 Respirator valve
01/03/2003WO2003000329A2 Flow regulator for aerosol drug delivery device and methods
01/03/2003CA2451388A1 Check valve having variable opening-force threshold
01/03/2003CA2449252A1 Respirator valve
01/03/2003CA2448219A1 Respirator valve
01/02/2003US20030001346 Enhanced computer optimized adaptive suspension system and method
01/02/2003US20030000582 Exhaust valve assembly
01/02/2003US20030000577 Backflow prevention apparatus
01/02/2003DE20213286U1 Valve for inflatable objects such as air mattresses has rear hollow section and a mounting connection piece and also a spring-loaded valve core
01/01/2003CN2529041Y Microdry multifunctional control valve for water pump
01/01/2003CN2529040Y 单向气阀 One-way valve
01/01/2003CN2529039Y Omnibearing two-way automatic check valve
12/2002
12/27/2002WO2002103233A1 Check valve floor drain
12/27/2002WO2002103190A2 Double acting simplex plunger pump with bi-directional valves
12/26/2002US20020198436 Circulation assist method and device utilizing balloon of IABP system and blood stream control valve therefor
12/26/2002US20020195147 Serviceable check valve
12/26/2002US20020195146 Check valve arrangement
12/26/2002US20020195109 Respirator valve
12/26/2002US20020195108 Respirator valve