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)
04/2012
04/04/2012CN202182215U 新型单向阀 The new one-way valve
04/04/2012CN202182214U 一种单向阀的止回装置 One-way check valve device
04/04/2012CN202182209U 工矿机车用三通阀 Mining locomotive with three-way valve
04/04/2012CN102401160A 锥型芯压力差单向阀 Tapered core pressure differential check valve
04/04/2012CN102401159A 一种可止回的截止阀 A shut-off valve can stop back
04/04/2012CN102401158A 离心泵耐腐蚀手动排液止回底阀 Corrosion resistant centrifugal exhaust back end of the valve was manually stop
04/04/2012CN102401157A 双瓣式止回阀 Double disc check valves
04/04/2012CN102401156A 简易回流防止阀 Simple backflow prevention valve
04/04/2012CN102398669A 水镜面罩、单向阀装置及单向阀装置的制造方法 Mirage mask manufacturing method, the one-way valve means and the check valve means
04/04/2012CN102022567B 超高压水发生装置子母式单向阀组 Picture-way valve means high pressure water occurs
04/03/2012USRE43289 Uni-directional fluid valve
04/03/2012US8147226 Valve assembly for pressure washer pump
04/03/2012US8147225 Pump valve having a limiting element
04/03/2012US8146618 Ball non-return valve
03/2012
03/29/2012WO2012038056A1 Shut-off system, in particular for high-pressure pipelines
03/29/2012WO2012020912A3 Drain smell preventing device
03/29/2012WO2012009534A3 Threaded valved inflation needle for facilitating inflation of pneumatic objects
03/29/2012US20120073679 Plug valve with an internal check valve
03/29/2012US20120073678 Safety valve system for overpressure protection of hydraulic circuits
03/29/2012US20120073677 Water Actuated Pressurized Gas Release Device
03/29/2012DE102010046929A1 Dichtbuchsenanordnung und hydraulisches Gerät Sealing bushing assembly and hydraulic equipment
03/29/2012DE102010046859A1 Check valve for motor car, has seal body pressed on valve seat when high pressure lies against passage direction, automatically moving into passage position when high pressure lies in direction and as whole guided in axial-movable manner
03/28/2012EP2434159A2 Scroll compressor with a check valve
03/28/2012EP2432544A1 Passive fluid flow regulator
03/28/2012EP2310726B1 Pressure relief valve
03/28/2012CN202177158U 一种用于油烟机的出风罩 A hood is a hood
03/28/2012CN202176770U 一种内置膜片式低阻力倒流防止器 A built diaphragm-type low resistance backflow prevention device
03/28/2012CN202176769U 一种高压液体单向阀 A high-pressure liquid-way valve
03/28/2012CN202176768U 一种内置排水式减压型倒流防止器 A built drainage decompression type backflow prevention device
03/28/2012CN202176767U 可调控止回阀 Adjustable valve
03/28/2012CN202176766U 止回截止阀 Back shutoff valve stopper
03/28/2012CN202173267U 咖啡机反向密封装置及设有该装置的咖啡机 Coffee reverse sealing device and a coffee maker of the device
03/28/2012CN102392908A Non-return pressure reducing valve
03/28/2012CN102392906A One-way valve
03/28/2012CN102392905A Straight-through type water-hammer eliminating check valve
03/28/2012CN102071667B Floating ball type one-way drainage valve on slope or retaining wall
03/28/2012CN101725740B Impeller type water hammer-resistant mute check valve
03/28/2012CN101255927B Separated unidirection over flow valve
03/27/2012US8141849 Valve body and seal assembly
03/27/2012US8141845 Fuel cell supply having fuel compatible materials
03/27/2012US8141749 Foam soap dispenser control valve
03/27/2012US8141587 Duckbill type check valve with curved and resiliently biased closing seal
03/27/2012US8141581 Compressor improvements
03/27/2012US8141573 Microfluidic valve having free-floating member and method of fabrication
03/27/2012CA2666533C Double check back flow prevention device
03/27/2012CA2640679C Dispenser with breath actuatable valve
03/27/2012CA2609204C Check valve
03/27/2012CA2542945C Fuel cell supply having fuel compatible materials
03/27/2012CA2496404C Air flow control apparatus
03/22/2012WO2012037348A2 Molded and packaged elastomeric check valve
03/22/2012WO2012037203A1 Liquid container with tap and connector with check -valve
03/22/2012WO2012037144A2 Water actuated pressurized gas release device
03/22/2012WO2012034734A1 Valve, in particular of a hydraulic piston pump
03/22/2012US20120067440 Lubricating grease return valve
03/22/2012CA2812050A1 Liquid container with tap and connector with check -valve
03/21/2012EP2430366A2 Fume-discharge device for boilers
03/21/2012EP2430341A1 Explosion protection valve for interrupting a fluid flow in a pipeline
03/21/2012EP2430307A1 Valve unit for a high-pressure piston fuel pump and pump comprising this valve unit
03/21/2012CN102384290A Stop valve
03/21/2012CN102384289A High-temperature-resistant self-cleaning low-noise energy-saving environmentally-friendly check valve
03/21/2012CN102384288A Two-way flow type check valve and ultra-pure water system
03/21/2012CN101460772B Magnetic check valve
03/20/2012US8136548 Air admittance valve
03/20/2012US8136546 Pressure relief valve
03/20/2012CA2512799C Isolation valve with rotatable flange
03/15/2012WO2011157524A3 Diaphragm valve arrangement and device therewith
03/15/2012US20120060943 Water hammer proof and silent check valve
03/15/2012US20120060942 Cut-in-cut-out valves for hydraulic circuits
03/15/2012DE102010040459A1 Check valve for high-pressure fuel pump, has valve portion comprising shaft and head that are formed as separate components which are rigidly connected together, so that head is formed as ball
03/14/2012CN202165656U 蝶形缓闭式止回阀 Butterfly relief valve closed
03/14/2012CN202165655U 一种汽车洗涤器防回流阀 An automobile scrubber backflow preventer
03/14/2012CN202165654U 一种单向密封膜 One-way sealing film
03/14/2012CN202165653U 核级自然循环止回阀 Nuclear grade natural circulation valve
03/14/2012CN202165652U 烟道防火止回阀 Check the flue fire
03/14/2012CN202165651U 利用弹簧钢丝安装阀座的旋启式止回阀阀体组件 Spring steel wire installation seat swing check valve body assembly
03/14/2012CN202165650U 盖板式单向进泥阀 Cover-way valve into the mud
03/14/2012CN202165649U 对夹易换座止回阀 Wafer easy to change seat check
03/14/2012CN202165648U 蒸汽拖耙用的水流单向阀 Steam flow check valve drag harrow used
03/14/2012CN202165647U Liquid-filling check valve and lithium battery liquid filling device
03/14/2012CN202165622U 双向自压式碟阀 Bidirectional self-pressure butterfly valve
03/14/2012CN102378843A Backflow prevention apparatus for a toilet fill valve
03/14/2012CN102378842A Water flow control valve for a rim side water supply pipe of a toilet fill valve
03/14/2012CN102374325A Intelligent pressure-stabilizing stop-check valve
03/14/2012CN102374320A Dual-purpose cutoff valve
03/14/2012CN102374319A Non-return plunger valve, and fluid driving method and fluid driving device using non-return plunger valve
03/14/2012CN102374318A Buffer-type disk float ball valve
03/14/2012CN102374317A Check valve for range hood
03/14/2012CN102374316A Check valve
03/14/2012CN102374315A One-way control valve, vacuum device for chip manufacture procedure and gas recoil preventing method
03/14/2012CN102374314A Bottom valve
03/13/2012US8133425 Rotary moulding
03/13/2012US8132798 Pin clamp
03/13/2012CA2506385C Inflatable device
03/13/2012CA2490408C Shoe having an inflatable bladder
03/08/2012WO2012028370A1 Delivery device of a fuel supply system of an internal combustion engine
03/08/2012WO2012028361A1 Piston pump for delivering fluids and associated vehicle brake system
03/08/2012WO2012028250A1 Pipe
03/08/2012WO2012009287A3 Filter assembly
03/08/2012WO2011127031A4 Dispensing assembly with shut off valve, backflow preventer, and methods of operating the same
03/08/2012DE102011009716A1 Pumpe Pump
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