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)
09/2010
09/14/2010US7793683 Active intake pressure control of downhole pump assemblies
09/10/2010WO2010101561A1 Heat activated vent
09/09/2010US20100227241 Pressure Regulating Valve, Fuel Cell System Using Same, and Hydrogen Generating Facility
09/09/2010US20100224258 Check valve with modulation and/or anti-oscillation feature
09/09/2010DE102009010858A1 Check valve for fluid line, has housing and valve body movably supported in housing in axial direction, where housing is arranged outside flow cross-section of fluid line
09/08/2010EP2226539A1 Overpressure- and ventilating valve for an aeration device
09/08/2010EP2226538A1 Check valve with modulation and/or anti-oscillation feature
09/08/2010EP2226537A1 Non-return valve and valve unit equipped with same
09/08/2010EP2225437A1 Valve assembly
09/08/2010CN201575206U Pressure limiting switching valve
09/08/2010CN201575205U Flat-sealing ultrahigh-pressure check valve
09/08/2010CN201575204U Isolating valve with return-stopping function
09/08/2010CN201575203U Titanium check valve
09/08/2010CN201575202U Rotary ash discharge unidirectional rotary valve
09/08/2010CN201575201U Check valve
09/08/2010CN201574765U Secondary unloading hydraulic control one-way valve
09/08/2010CN1727692B Bottom valve of draining pump
09/08/2010CN101823386A Retractable writing instrument
09/07/2010US7790325 Valve having valve element displaced by at least one of a movement of a diaphragm and a movement of an actuator, and fuel cell using the valve
09/07/2010US7789104 Backflow preventing apparatus for water closets
09/07/2010US7789103 Dense phase induction system and method
09/07/2010US7789101 Oxygen supply system having a central flow control
09/02/2010WO2010098750A1 Check valve
09/02/2010WO2010098661A1 Sorption cooling system with self-acting vapour valve
09/02/2010US20100218831 Drain treatment system
09/02/2010DE102009009799A1 Ventilation valve arrangement for internal combustion engine for mounting between crankcase chamber and suction tract of internal combustion engine, has membrane which releases flow channel for aerating crankcase chamber in valve position
09/02/2010DE102009001150A1 Pneumatic throttle check valve for damping pneumatic cylinders in production plant, has throttle point and return valve formed in respective lines, where return valve is provided with ball and valve seat, which is associated with ball
09/01/2010EP2222990A1 Valve assembly having an arched sealing surface
09/01/2010CN201568617U High-flow electric control check valve
09/01/2010CN201568616U Novel swing check valve
09/01/2010CN101818822A Backflow preventing mechanism applied in field of bath
09/01/2010CN101818442A Inlet valve for low water pressure automatic washing machine
09/01/2010CN101155606B Valve, especially for a breast cup set
08/2010
08/31/2010US7784489 Check valve for a self-priming pump
08/31/2010US7784483 Backflow preventer
08/31/2010US7784465 Laryngeal mask vent clip and method of use
08/26/2010WO2010095897A2 Check valve for water hammering prevention
08/26/2010WO2010094411A1 Pilot operated check valve
08/26/2010US20100215522 Check valve, fluid device, and pump
08/26/2010US20100213396 Throttle Valve Used for Recharging Aquifers
08/26/2010DE202010009032U1 Tellerrückschlagventilvorrichtung Plate check valve device
08/26/2010DE112005001473B4 Entsterrbares Rückschlagventil Entsterrbares check valve
08/25/2010CN201561171U Balanced type multifunctional valve
08/25/2010CN201561166U Pneumatic check valve
08/25/2010CN201561165U Novel check valve
08/25/2010CN201561164U Check valve of built-in flap
08/25/2010CN201561163U Big-runner check valve
08/25/2010CN201561162U Flange with improved gaskets in check valve
08/25/2010CN201561161U One-way valve
08/25/2010CN201560934U Check valve for micropump
08/25/2010CN201558429U Side open type fireproofing check valve
08/25/2010CN101813204A Multifunctional maglev micro one-way valve
08/25/2010CN101813203A Check valve for small size hot-water boiler for preventing noise
08/25/2010CN101509565B Hand valve with one-way function
08/25/2010CN101387349B Pulley type skip non-return valve
08/24/2010US7780144 Valve, in particular for a high-pressure pump of a fuel injection system for an internal combustion engine
08/24/2010US7779859 Flapper with insert stops for check valve
08/24/2010CA2540956C Check valve
08/19/2010WO2010093936A1 Luer-type needle-free valve fitting with bypass
08/19/2010WO2010091474A1 Full flow valve
08/19/2010WO2009108059A3 Tubular member having self-adjusting valves controlling the flow of fluid into or out of the tubular member
08/19/2010US20100206405 Pilot operated check valve
08/19/2010US20100206404 Ball check valve
08/19/2010US20100206403 Valve device
08/19/2010US20100206402 Valve device of high-pressure tank for vehicle
08/19/2010DE102009009387A1 Check valve for e.g. installation upstream of dust filter at wood processing machine, has valve disk that is movable between opening position and closing position in housing, and magnetic unit that holds valve disk in closing position
08/18/2010CN201555316U Cooling energy-saving device of unmanned engine room and base station
08/18/2010CN201554918U Fully rubber-lined check valve
08/18/2010CN201554911U Thermal fogger air passage one-way valve
08/18/2010CN201554910U Check valve
08/18/2010CN201554909U Check valve
08/18/2010CN201554908U Check valve
08/18/2010CN201554907U Spring plate type check valve
08/18/2010CN201554906U Soft one-way breather valve
08/18/2010CN201554487U Novel dustproof device for coal bed drilling
08/18/2010CN101806372A Tap water running prevention valve
08/18/2010CN101806370A Multifunctional watermeter connecting valve
08/18/2010CN101806369A Inflation/deflation valve assembly for central tire inflation/deflation system of automobile
08/18/2010CN101598226B Aqueous medium hydraulic control one-way valve
08/17/2010US7775234 Valve-to-fitting converter for process piping systems
08/17/2010US7775231 Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve
08/12/2010WO2010089779A1 A metal plate for dual plate check valve
08/12/2010WO2010089490A1 Device for selectively blocking a fluid passage
08/12/2010WO2010045583A3 Fuel leak prevention system
08/12/2010US20100200095 Hermetic compressor
08/12/2010US20100200087 Self-sealing check valve
08/12/2010US20100200086 Automatically tripped compact safety device for controlling the flow of a fluid
08/12/2010US20100200076 Fluid purge in a medical injection system
08/12/2010DE102009007609A1 Rückschlagventil Check valve
08/11/2010EP2216573A1 Non-return valve for a liquid conduit
08/11/2010EP2216536A2 Return valve
08/11/2010CN201547839U Gas control device with multi-hole nozzle
08/11/2010CN201547350U Novel tyre valve
08/11/2010CN201547349U Slow-closing sub valve of rotary starting type check valve
08/11/2010CN201547348U Novel backflow preventing device with convenient maintenance
08/11/2010CN201547347U Backflow preventer
08/11/2010CN201547346U Safety angle valve for tip-over and filling prevention air bottle
08/11/2010CN201547345U Backflow prevention sewage draining device
08/11/2010CN201547344U One-way valve
08/11/2010CN201547343U Swing check valve
1 ... 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 ... 182