| Patents for F16K 15 - Check valves (18,131) |
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| 02/02/2012 | DE102006024049B4 Selbstpumpendes hydropneumatisches Federbein mit innerer Niveauregelung Self-pumping hydropneumatic spring strut with internal level control |
| 02/02/2012 | CA2773539A1 High pressure mechanical safety valve |
| 02/01/2012 | CN202132637U 软管防回流结构 Hose backflow prevention structure |
| 02/01/2012 | CN202132561U 油烟机风机出风口自动金属止回阀 Hood fan outlet automatic metal valve |
| 02/01/2012 | CN202132560U 一种微阻缓闭止回阀 A micro Slow Close Check Valve |
| 02/01/2012 | CN202132559U 一种缓开缓关止回阀 One slow-off valve to open slowly |
| 02/01/2012 | CN202132558U 内置过滤网和无需外置配管的倒流防止器 Built-in filter and no external piping backflow prevention device |
| 02/01/2012 | CN202132556U 带止回功能的球阀 Function with a non-return valve |
| 02/01/2012 | CN202132553U 一种自行泄压的灭火器阀门 One kind of self-relief valves of fire extinguishers |
| 02/01/2012 | CN202128842U 一种多用式消防水泵接合器 A multi-purpose type fire pump adapter |
| 02/01/2012 | CN202128841U 多用水泵接合器的卡扣式止回密封结构 Multi-pump adapter snap backstop seal structure |
| 02/01/2012 | CN102338234A Glass fiber reinforced plastic check valve |
| 02/01/2012 | CN101084375B 特别用于压缩机的阀 Special valve for a compressor, |
| 01/31/2012 | US8105408 Pressure equalisation device |
| 01/31/2012 | US8105056 Aerating bag |
| 01/26/2012 | WO2012011766A2 Apparatus for preventing offensive odors from rising up from a drain |
| 01/26/2012 | US20120018013 Apparatus and methods to dispense fluid from a bank of containers and to refill same |
| 01/26/2012 | US20120018012 Apparatus and methods to dispense fluid from a bank of containers and to refill same |
| 01/26/2012 | DE102010032255A1 Non-return valve for use in multi-function slide valve that is utilized for controlling pressure medium flow of camshaft adjusting device of combustion engine, has fixing members fixed at sealing seat and moved when closing member is opened |
| 01/26/2012 | DE102010032251A1 Rückschlagventil sowie hydraulisches Ventil mit einem eingebauten Rückschlagventil Check valve and hydraulic valve with a built-in check valve |
| 01/26/2012 | DE102006051857B4 Rückschlagventil Check valve |
| 01/25/2012 | EP2409059A2 High pressure duckbill valve and insert |
| 01/25/2012 | EP2232113B1 Fuel line check valve |
| 01/25/2012 | CN202125642U Inflating device of evaporator of air conditioner |
| 01/25/2012 | CN202125641U Modified baroswitch |
| 01/25/2012 | CN202125640U Centralizing check valve |
| 01/25/2012 | CN202125639U Full-flow wafer check valve |
| 01/25/2012 | CN102333657A Check valve |
| 01/25/2012 | CN102330829A Mute lining check valve |
| 01/25/2012 | CN101865313B Petroleum gas steel bottle control valve |
| 01/24/2012 | US8100382 Valve assembly |
| 01/19/2012 | WO2012009534A2 Threaded valved inflation needle for facilitating inflation of pneumatic objects |
| 01/19/2012 | WO2012006954A1 Flow adjustment check device |
| 01/19/2012 | WO2011130015A3 Multifunction valve |
| 01/19/2012 | US20120012202 Irregularly Shaped Flapper Closure and Sealing Surfaces |
| 01/19/2012 | US20120012195 Aerosol supply device and pressure regulator apparatus used therewith |
| 01/19/2012 | US20120012190 Valve system for releasing pressurized fluid |
| 01/19/2012 | DE102011008425A1 Hydraulischer Endschalter Hydraulic limit switch |
| 01/19/2012 | DE102010031390A1 Suction valve for fuel supply system of internal combustion engine, has valve body for intake process, through which fuel reaches from low pressure area of fuel supply system to pump chamber of high pressure pump |
| 01/18/2012 | EP2406090A2 Vehicle vent valve assembly |
| 01/18/2012 | EP2225437B1 Valve assembly |
| 01/18/2012 | EP1954343B1 Pressure-activated proximal valves |
| 01/18/2012 | CN202118357U Four-way check solenoid valve |
| 01/18/2012 | CN202118315U Cutoff anti-reversion fluid valve |
| 01/18/2012 | CN202118314U One-way valve for vehicle brake pressure regulating valve |
| 01/18/2012 | CN202118313U Check valve |
| 01/18/2012 | CN202118312U Liquid return shutoff valve |
| 01/18/2012 | CN202118311U Gravity check valve |
| 01/18/2012 | CN202118310U Sealed through type check valve |
| 01/18/2012 | CN202118309U One-way valve capable of preventing autorotation of water meter |
| 01/18/2012 | CN202118308U Public flue smoke evacuation check valve device |
| 01/18/2012 | CN202117076U Water diversion tunnel maintenance door or hole for people to enter capable of automatically removing hydrops in inverse slope maintenance cave |
| 01/18/2012 | CN102322543A Swing vortex check valve |
| 01/18/2012 | CN102322542A Fireproof check valve for flue |
| 01/18/2012 | CN102322541A Low-resistance backflow preventer |
| 01/18/2012 | CN101657663B Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance |
| 01/17/2012 | US8096791 Suction valve for a small hermetic compressor |
| 01/17/2012 | US8096319 Check valve |
| 01/17/2012 | US8096318 Valve flap for a plumbing valve |
| 01/12/2012 | WO2012006457A1 Circulation sub and method for using same |
| 01/12/2012 | WO2012005791A1 Nozzle check valve |
| 01/12/2012 | WO2012004575A1 Fluid control valve |
| 01/12/2012 | WO2012004223A1 Resilient closure for pressure driven dispensing container |
| 01/12/2012 | WO2012003927A1 High-pressure connection |
| 01/12/2012 | WO2012003777A1 Magnetic check valve |
| 01/12/2012 | WO2012003776A1 Water-saving check valve |
| 01/12/2012 | US20120006740 Filter assembly with reusable bypass valve |
| 01/12/2012 | US20120006428 Valve assembly |
| 01/12/2012 | US20120006416 Mechanical fuse to seal pipes upon unintended rupture |
| 01/12/2012 | DE102010017807A1 Pumping nozzle for air pump connected with valve of tire mounted on wheel of bicycle, has lever swung between two positions in main body, where lever is shifted from one position to another position to inflate tire using air pump |
| 01/12/2012 | CA2807731A1 Resilient closure for pressure driven dispensing container |
| 01/12/2012 | CA2804936A1 Circulation sub and method for using same |
| 01/12/2012 | CA2804286A1 High-pressure connection |
| 01/11/2012 | EP2405164A1 Resilient closure for pressure driven dispensing container |
| 01/11/2012 | EP2405163A1 Nozzle check valve |
| 01/11/2012 | EP2404538A1 Detergent dispenser |
| 01/11/2012 | EP2084440B1 Check valve arrangement |
| 01/11/2012 | CN202109052U Fireproofing vent valve of exhaust passage |
| 01/11/2012 | CN202109042U Safety valve for combustion gas |
| 01/11/2012 | CN202109041U 底阀 Bottom valve |
| 01/11/2012 | CN202109040U Novel noise eliminating check valve |
| 01/11/2012 | CN202109039U Cross flow check valve |
| 01/11/2012 | CN202109038U Novel slow shut check valve |
| 01/11/2012 | CN202109037U Side opening energy-saving slow closing check valve |
| 01/11/2012 | CN202109036U Rotary-opening type micro-resistance check valve |
| 01/11/2012 | CN202109035U Valve rubber compensation type one-way valve |
| 01/11/2012 | CN202109034U Butt clamp check valve |
| 01/11/2012 | CN202109033U One-way valve |
| 01/11/2012 | CN202108466U Bivalve check valve of continuous pipe |
| 01/11/2012 | CN102313048A Valve capable of preventing water meter from automatic rotating |
| 01/10/2012 | US8091864 Valve for a fluid flow connector having an overmolded plunger |
| 01/05/2012 | WO2011127031A3 Dispensing assembly with shut off valve, backflow preventer, and methods of operating the same |
| 01/05/2012 | WO2011096791A3 Smart safety valve |
| 01/05/2012 | US20120004623 One-way check valve |
| 01/05/2012 | US20120001477 Valve arrangement for controlling a brake system of a trailer vehicle |
| 01/05/2012 | US20120000607 Mass flow control system, plasma processing apparatus, and flow control method |
| 01/05/2012 | DE102010026032A1 Flatter valve i.e. non-return valve, for use in rotary vane pump in brake booster in motor car, has blank holder whose form corresponds to bending line of single-sided clamped bending bar, which is designed as cantilever arm |
| 01/04/2012 | EP2401154A1 Check valve |
| 01/04/2012 | EP2304237B1 Pump |
| 01/04/2012 | CN202101324U Infrared dual-gas type fireplace |