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)
08/2003
08/20/2003EP1336781A1 Check valve
08/20/2003EP1336059A1 Valve with sealed bellows and packing box for container transporting toxic fluids
08/20/2003CN1436667A Ink cartridge for ink jet printer
08/20/2003CN1436666A Ink cartridge for ink jet printer
08/20/2003CN1436665A Ink cartridge for ink jet printer
08/19/2003CA2241735C Thermoplastic squeeze tube with self-sealing dispensing orifice
08/14/2003US20030150877 Fluid dispensing and storage system with a drink valve
08/14/2003US20030150493 In-line differential pressure controller
08/14/2003US20030150487 Air valve capable of preventing air leakage when a connection head of an inflation device is removed
08/13/2003EP0868156B8 Voice prosthesis-cartridge assembly
08/13/2003CN2566079Y Check valve
08/12/2003US6604545 Vacuum demand valve
08/12/2003CA2301932C Combined directional and flow control valve
08/07/2003WO2003064907A1 Slit-type swabable valve
08/07/2003WO2003064903A1 Non-return and pressure relief valve
08/07/2003US20030146959 Ink cartridge for ink jet printer
08/07/2003US20030145888 Air bag inflation device
08/06/2003EP1333206A1 Check valve having adjustable lift, packing assembly, and retrofit kit for same
08/06/2003CN2564818Y Reinforced duplex check valve
08/06/2003CN1117236C Valve assembly
08/05/2003US6601609 Fluid flow control valve
08/05/2003US6601604 Fire-control sprinkler system
07/2003
07/31/2003US20030144574 Method and apparatus for providing limited back-flow in a blood pump during a non-pumping state
07/31/2003US20030144573 Back-flow limiting valve member
07/31/2003US20030141477 Slit-type swabbable valve
07/31/2003US20030140968 Torsion spring pool cleaner reed valve
07/30/2003CN2563404Y Anti-backwater long life safety valve
07/30/2003CN2563388Y Inflation needle
07/30/2003CN2563387Y Self locking slurry check valve
07/30/2003CN2563386Y Shock-proof check valve
07/30/2003CN2563385Y Multifunctional valve core
07/30/2003CN1432751A Non-return valve with large-sized outlet
07/30/2003CN1432750A Flow-guiding non-return exhaust valve
07/30/2003CN1432745A 阀 Valve
07/30/2003CN1116541C Variable displocement compressor with check value
07/30/2003CN1116221C Liquid aerating apparatus and safety device thereof
07/24/2003WO2003059463A1 Sport ball with energy absorbing foam
07/23/2003EP1329658A1 Non-return valve
07/23/2003EP1329657A2 Stop valve
07/23/2003EP1328746A1 Non-return valve with a ball-shaped valve body
07/23/2003CN2562015Y Permanent-magnet one way valves
07/23/2003CN1115483C Scroll compressor
07/22/2003US6595946 Valve assembly
07/22/2003US6595230 Non-refillable valve for a gas cylinder
07/17/2003WO2003058101A1 Non-return valve comprising a spring-loaded tongue
07/17/2003WO2003058100A1 Inlet or outlet valve for a pump
07/17/2003US20030132241 Quick release trigger valve and blast aerator
07/17/2003US20030131892 Non-return valve
07/17/2003US20030131891 Duct connector apparatus and method
07/17/2003US20030131890 Self-acting valve
07/16/2003CN2560803Y Improved one-way stop valve
07/16/2003CN1430703A Micromachined fluidic device and method for making same
07/16/2003CN1114780C Method and sealing valve unit for controlling fluid flow through passage
07/16/2003CN1114530C Ink cartridge of ink-jet printer
07/15/2003US6592184 Self-inflating cushion and valve therefor
07/11/2003CA2416046A1 Duct connector apparatus and method
07/10/2003US20030130076 Sport ball with energy absorbing foam at varying locations
07/10/2003US20030129472 Check valve and fuel cell system using the same
07/10/2003US20030127140 Valve with guided ball
07/10/2003DE20305410U1 Isolator for pipe systems contains non-return valves on inlet and outlet sides, housing of isolator being made as single unit which cannot be disconnected without damaging it
07/09/2003EP1326039A1 Check valve with oversized bill
07/09/2003CN1428529A 流量控制阀 Flow control valve
07/08/2003US6590267 Microelectromechanical flexible membrane electrostatic valve device and related fabrication methods
07/03/2003WO2003053271A2 Control valve
07/03/2003US20030122095 Low pressure measurement devices in high pressure environments
07/03/2003US20030121552 Check valve for use in a pressure balance faucet
07/02/2003EP1323438A2 Back-flow limiting valve member
07/01/2003US6586131 Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing
07/01/2003US6585500 Valve fastening structure of a reciprocating compressor utilizing permanent magnets
07/01/2003US6585005 Reinforced tide gate valve
07/01/2003CA2283489C Valve apparatus and method
06/2003
06/26/2003WO2003052302A2 Annular valve
06/26/2003US20030116743 Flow quantity control valve
06/26/2003US20030116740 Charge valve in a high pressure air conditioning system
06/26/2003US20030116199 Charge valve for an air conditioning system
06/26/2003US20030116198 Check valve having adjustable lift, packing assembly, and retrofit kit for same
06/26/2003US20030116197 Fluid control valve and a feedback control system therefor
06/25/2003CN2557772Y Overflow-resistant quantitative liquid charge device
06/25/2003CN1112542C Joint of exhaust pipe of cooking fume remover
06/25/2003CN1112531C 气门致动器 Valve actuator
06/24/2003US6581641 One-way valve for use with vacuum pump
06/24/2003US6581633 Check valve and method of fabrication
06/24/2003US6581632 Automatic valve
06/24/2003US6581629 Fluid-activatable device for shut-off under excess flow conditions
06/24/2003US6581626 Backflow prevention apparatus
06/24/2003CA2317742C Tank transport pressure relief valve assembly
06/19/2003WO2003050491A2 Low pressure measurement devices in high pressure environments
06/19/2003US20030111621 Vacuum-breaking valve for refrigeration appliances
06/19/2003US20030111122 Non-return valve
06/19/2003US20030111121 One-way valve for use with vacuum pump
06/19/2003US20030111115 Valve assembly
06/19/2003CA2469545A1 Low pressure measurement devices in high pressure environments
06/18/2003EP1319878A2 Check valve
06/18/2003EP1319841A2 Valve for rotary compressors
06/18/2003CN2556448Y Integrated slow-closing check valve
06/18/2003CN2556447Y Reducing check valve
06/17/2003US6579075 Compressor
06/12/2003WO2003047764A1 Fluid product dispenser
06/12/2003WO2003047376A1 Inflatable insulation incorporating pressure relief means
06/12/2003US20030106593 Fluid flow control valve
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