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)
04/2010
04/28/2010CN201443603U Check valve for water supply pipeline
04/28/2010CN1771137B Retractable writing instrument
04/28/2010CN101699111A Non-return valve gravity closing fire retardant device
04/28/2010CN101699110A Differential pressure integrated microflow metering compensation valve
04/28/2010CA2643682A1 Check valve
04/22/2010WO2010045583A2 Fuel leak prevention system
04/22/2010WO2010043913A1 An improved valve assembly
04/22/2010WO2010000985A3 Electro-hydraulic valve with lifting ball for variable compression ratio engine hydraulic unit
04/22/2010US20100098571 Pump Apparatus and Methods for Using Same
04/22/2010US20100096290 Inflatable Structure for Packaging and Associated Apparatus and Method
04/22/2010US20100096028 Anti-backflow valve
04/22/2010US20100096027 Check valve and pump including check valve
04/22/2010US20100096024 Air valve device
04/22/2010DE202010000254U1 Reifenventil Tire valve
04/22/2010DE102008056960B3 Valve e.g. back stroke valve, for arranging between valve chambers for controlling flow of fluid, has inclined planes adjusted with respect to flow of direction under angle, where blocking lobes are attached respective to inclined planes
04/22/2010CA2739297A1 Fuel leak prevention system
04/21/2010EP2177679A1 Non-return valve
04/21/2010EP2177434A2 Negative pressure relief valve assembly
04/21/2010EP2175924A1 Nonreturn valve, in particular for medical uses
04/21/2010CN201439835U Constant pressure valve structure of aquarium
04/21/2010CN201439834U Water-sealing device
04/21/2010CN201439833U Fluid refilling valve
04/21/2010CN201439828U One-way pressure-relief one-piece valve
04/21/2010CN101696743A Large-path normally open liquid control stop valve
04/20/2010CA2357144C Shoe with inflatable bladder and secure deflation valve
04/17/2010CA2641267A1 Anti-backflow valve
04/15/2010US20100090137 Flow rate control device
04/15/2010US20100089921 Closure assembly with valve and method for its manufacturing
04/15/2010US20100089471 Valve
04/15/2010US20100089458 Methods and apparatus for controlling air in inflatable devices
04/15/2010DE20321799U1 Fluidsteuerventil A fluid control valve
04/15/2010DE102008047386A1 Device for controlling fluid flow of fluid supply line in fluid discharge line, has closing body, which is closed in closed position of fluid flow of fluid supply line in fluid discharge
04/14/2010EP2174821A1 A fuel shut-off valve assembly
04/14/2010EP2174043A1 A non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid
04/14/2010EP2173495A1 Spraying tool with a switch-off valve
04/14/2010CN201437857U Air tap
04/14/2010CN201437856U Filling valve
04/14/2010CN201437037U Ball mouth sheath structure
04/14/2010CN1918415B Pressure control valve for a hydraulic device, and use of said pressure control valve
04/13/2010CA2344321C Method of fabricating a backwater valve
04/08/2010US20100084028 Soft seat pilot-to-open check valve
04/08/2010DE102008045022A1 Sealing arrangement for cylindrical housing of high-pressure pump for motor vehicle, has sealing seat part for cooperating with closure part, where fluid flow from recess section into region between housing body parts is controlled
04/07/2010EP2171326A1 Check valve
04/07/2010CN201436429U Electric hydraulic multifunctional butterfly type check valve
04/07/2010CN201436428U Butterfly-type slow closure check valve
04/07/2010CN101172480B Air valve device
04/01/2010WO2010037073A2 Central tire inflation wheel assembly and valve
04/01/2010US20100078084 Valve assembly
04/01/2010US20100078083 Low profile backwater valve
04/01/2010US20100078082 Maple syrup production spout assembly with backflow check valve
04/01/2010US20100078080 Shutoff device, implemented as a ball cock, for use in a line for media
04/01/2010DE10359551B4 Rückstromsicherungsventil für Abgasanlagen Reverse current flow valve for exhaust systems
03/2010
03/31/2010CN201434123Y Charge valve
03/31/2010CN201434122Y Air tap of inflatable ball
03/31/2010CN201434121Y Air tap of inflatable ball
03/31/2010CN201434120Y Novel constant-flow one-way valve
03/31/2010CN201434119Y Special non-return valve for GAC filtration tank
03/31/2010CN201434118Y Novel flue duct check valve
03/31/2010CN201431340Y Electric tea maker
03/31/2010CN201431003Y Shoe heart
03/31/2010CN101688619A a non-return valve
03/31/2010CN101684865A Air valve
03/30/2010US7687171 Multi-stage in-line cartridge ejector for fuel cell system
03/30/2010US7686051 Central tire inflation wheel assembly and valve
03/30/2010US7686033 Valve connector
03/30/2010US7686017 Fluid flow control valve
03/25/2010WO2010033891A1 Hand-actuated air pump
03/25/2010US20100071788 Hydraulic system with a pressure reducing valve
03/25/2010DE102008047074A1 Check valve arrangement for use with common-rail check valve arrangement, has piston, which is arranged within piston chamber wall movable in piston moving direction
03/25/2010DE102004010440B4 Einwegeventil One-way
03/25/2010CA2738112A1 Hand-actuated air pump
03/24/2010EP2164775A2 Valve and dispenser
03/24/2010EP1755730B1 Non-return valve, particularly for medical applications
03/24/2010CN201428837Y Check valve
03/24/2010CN201428836Y Special-purpose energy and water saving blowoff valve of solar water heater
03/24/2010CN101678946A valve and dispenser
03/24/2010CN101678822A solenoid valve
03/24/2010CN101676590A Pressure release type backflow preventer
03/24/2010CN100595127C A fluid-dispensing circuit with check valves
03/23/2010US7681750 Closure for a container that holds a free-flowing product
03/23/2010US7681589 Pump valve retainer
03/18/2010WO2010029085A1 Device for controlling the fluid supply of a system
03/18/2010WO2010028661A1 Device for cleaning vehicle surfaces
03/18/2010DE102008006686B4 Rückschlagventil Check valve
03/18/2010CA2734565A1 Device for cleaning vehicle surfaces
03/17/2010CN201425108Y Cast-in place pile grouting non-return valve
03/17/2010CN101675281A Duckbill type check valve with curved and resiliently biased closing seal
03/17/2010CN101672385A Check valve with cake-shaped closing board
03/17/2010CN101672384A Non-return device for extension-type upward filling system
03/11/2010US20100059130 Directional Control Valve Device and Directional Control Valve Device Block Having Directional Control Valve Devices
03/10/2010EP2160534A1 Valve coupling
03/10/2010EP1734887B1 Twin duckbill valve assembly
03/10/2010CN201420884Y Flow regulating check valve
03/10/2010CN201420883Y Multifunctional clothes hook-type air suction valve
03/10/2010CN201420879Y Three-way valve
03/10/2010CN201420720Y One-way valve core for integrated hydraulic control multi-way valve
03/10/2010CN201420718Y Pilot operated check valve
03/10/2010CN201419146Y Airbag sprayer
03/09/2010US7673653 Check valve
03/09/2010US7673651 Flow regulating device
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