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)
07/2012
07/25/2012CN102606840A Backflow preventer
07/25/2012CN102606780A Multifunctional valve structure
07/25/2012CN102606779A Piston type container valve with high flow
07/25/2012CN102606778A Functional valve
07/25/2012CN102606774A Pigging check valve
07/25/2012CN102606773A Lifting check valve of flange
07/25/2012CN102606772A Simplified integral valve
07/25/2012CN101954520B Multifunctional valve of welding gun
07/25/2012CN101608702B Check fire valve for flue
07/25/2012CN101349356B One-way elastic valve and fluid delivery device used thereby
07/24/2012US8225818 Hydraulic valve arrangement with an annular check valve element
07/24/2012US8225811 Apparatus for the removal of moisture from a compressed air tank
07/24/2012US8225444 Inflatable device forming mattresses and cushions
07/24/2012DE202011109924U1 Absperrsystem, insbesondere für Hochdruckleitungen Shut-off, especially for high-pressure lines
07/19/2012WO2012097010A2 Subsea retrievable insert with choke valve and non return valve
07/19/2012US20120180880 Dual plate wafer check valve
07/19/2012DE102011002826A1 Ventileinheit für eine Kraftstoffpumpe Valve unit for a fuel pump
07/18/2012EP2476937A1 Non-return flap
07/18/2012EP2475917A1 Pressure equalizing valve
07/18/2012CN202338729U 管道自动阻臭阀门 Automatic blocking foul pipeline valves
07/18/2012CN202338667U 一种单向阀 One-way valve
07/18/2012CN202338666U 新型水龙头 New faucet
07/18/2012CN202338665U 碟式止回阀 Disc Check Valve
07/18/2012CN202338664U 无销丝扣止回阀 No pin threaded valve
07/18/2012CN202338663U 一种新型单向阀 A new one-way valve
07/18/2012CN202338662U 防回气防回水泄爆装置 Anti-anti-return back to the gas venting device
07/18/2012CN102597586A Pressure regulator valve seals, systems and methods
07/18/2012CN102588635A Return stop valve
07/18/2012CN102588634A Flange swing check valve
07/18/2012CN102588633A High-reliability one-way valve
07/18/2012CN102588632A Check valve
07/18/2012CN102580943A Bucket type high-pressure cleaner
07/18/2012CN101915325B One-way valve of water supply pump
07/17/2012US8220493 Passive components for micro-fluidic flow profile shaping and related method thereof
07/17/2012US8220483 Non-return valve
07/17/2012CA2682475C Pneumatic pressure relief test plug
07/17/2012CA2461466C Float-responsive valve with premature closure prevention
07/12/2012WO2012094475A1 Check valve for a pipe section
07/12/2012WO2012094018A1 Fluid container having plurality of chambers
07/12/2012WO2012094016A1 Integrated multifunctional valve device
07/12/2012US20120177510 High-speed check valve suitable for cryogens and high reverse pressure
07/12/2012US20120175002 Check Valve for a Pipe Section
07/12/2012US20120174993 Subsea retrievable insert with choke valve and non return valve
07/12/2012CA2823558A1 Check valve for a pipe section
07/11/2012EP2473767A2 Water drain valve comprising a shielding diaphragm
07/11/2012CN202327363U 连通阀杆防溅装置 Stem splash device connectivity
07/11/2012CN202327263U 防气体倒流的充气球针 Anti-reflux gas needle inflatable ball
07/11/2012CN202327262U 一种防滴漏止回阀 An anti-drip valve
07/11/2012CN202327261U 截止节流止回阀 As of the throttle valve
07/11/2012CN202327260U 一种单向阀 A one-way valve
07/11/2012CN202327259U 一种单向阀 A one-way valve
07/11/2012CN202327258U One-way valve for positron radioactive drug production
07/11/2012CN202327257U 直通式止回阀 Straight-check
07/11/2012CN202327256U 一种恒流止回阀 One kind of constant check
07/11/2012CN202327255U 止回阀球 Ball valve
07/11/2012CN202327254U 柔性拍门 Flexible shoot the door
07/11/2012CN202327253U 一种新型止回阀 A new check valve
07/11/2012CN202327252U 对夹双瓣旋启式止回阀 Wafer double disc swing check valve
07/11/2012CN202327251U 旋启式止回阀 Swing Check Valve
07/11/2012CN202327250U 一种止回阀 One kind of check valve
07/11/2012CN202327249U 新型蝶式微阻缓闭止回阀 The new butterfly valve micro Slow Close
07/11/2012CN202327248U 一种旋启式涡流止回阀 One kind of eddy Swing Check Valve
07/11/2012CN202327247U 三通止回阀 Three-way valve
07/11/2012CN202327246U 直通止回阀 Straight valve
07/11/2012CN202327245U 止回阀 Check
07/11/2012CN202327244U 用于氮气硫化的升降式止回阀 Lift check for nitrogen vulcanization
07/11/2012CN202327243U 双向逆止阀 Two-way check valve
07/11/2012CN202327242U 水封式排烟气机止回阀 Water-sealed flue gas discharge check valve
07/11/2012CN202327129U 无水滞留式自来水龙头 Anhydrous stranded style tap
07/11/2012CN202311481U 双袋组合单向气阀及其通风鞋 Double check valve, ventilation and air bag combination shoes
07/11/2012CN1721247B Valve apparatus
07/11/2012CN102575806A Improved system for automatic lubrication
07/11/2012CN102575784A High pressure duckbill valve and insert
07/11/2012CN102563334A One-way drainage ventilator for relatively closed container
07/11/2012CN102563146A Special air nozzle for safety tire
07/11/2012CN102563145A Self-sealing valve
07/11/2012CN102563144A Gas stopping structure capable of inflating and deflating for multiple times
07/11/2012CN102563143A HL type pressure-adjustable anti-explosion valve core
07/11/2012CN102563142A Improved single-disc adjustable check valve
07/11/2012CN102563141A Direct-acting internally piloted one-way sequence valve
07/11/2012CN102563140A Pilot-operated one-way sequence valve
07/11/2012CN102563139A Valve assembly
07/11/2012CN102563138A Diaphragm type check valve and manufacture method thereof
07/11/2012CN102563137A Energy-saving check valve
07/11/2012CN102563136A Low-resistance non-return valve
07/11/2012CN102563135A Low flow resistance check valve with high sealing force
07/11/2012CN102563134A Vacuum circuit breakage valve
07/11/2012CN102563133A Energy-saving micro-resistance adjustable self-balancing check valve
07/11/2012CN102563132A Valve device for exhaust duct
07/11/2012CN102563131A Diaphragm type check device with ball containing chamber
07/10/2012US8215339 Vapor barrier with valve for a building
07/10/2012US8215336 Fluid balancing relief valve with grooved process surface
07/05/2012WO2012091669A1 Plug for battery and battery
07/05/2012WO2012090466A1 Check valve and variable capacity compressor using same
07/05/2012WO2012090337A1 Check valve and storage body equipped with same
07/05/2012WO2012088573A1 Suction valve, method for damping the opening of a suction valve, system for damping the opening of a suction valve, compressor and refrigerator
07/05/2012US20120171526 Rubber valve for sealing a battery and a lithium ion battery having the same
07/05/2012US20120170875 Check valve and storage body equipped therewith
07/05/2012DE102011002427A1 Double check valve for e.g. preventing back-flow of reduction agent from storage tank of exhaust gas after treatment system of internal combustion engine of motor car, has disk-like elastic membrane provided with two slots
07/04/2012EP2470821A1 Improved system for automatic lubrication
1 ... 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ... 182