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)
04/2003
04/16/2003EP1003989B1 Quick-acting valve
04/16/2003EP0847510B1 Valve
04/16/2003CN2545445Y Microresistance hydraulic control valve
04/16/2003CN1410675A 密封式压缩机阀装置 Hermetic compressor valve device
04/15/2003US6547108 Pressure-activated flexible valve
04/15/2003US6546950 Lacquer bullet gun Gas entry valve
04/15/2003US6546946 Short-length reduced-pressure backflow preventor
04/10/2003WO2003029708A1 A check valve
04/10/2003WO2003029085A2 Collapsible dispensing system
04/10/2003WO2003000329A3 Flow regulator for aerosol drug delivery device and methods
04/10/2003US20030066563 Valve apparatus for hermetic compressor
04/10/2003US20030066559 Inflate and deflate valve
04/10/2003US20030066511 Adjustable pressure actuated fuel/air diaphragm valve assembly
04/10/2003CA2461688A1 Collapsible dispensing system
04/09/2003EP1300617A2 Valve device for a pressure container
04/09/2003EP1299149A1 Medium cracking pressure valve arrangement
04/09/2003EP1093555B1 Check valve
04/09/2003EP0807223B1 Compressor valve
04/09/2003CN2544153Y Top fume exhausting check valve
04/09/2003CN2544149Y Check switch valve
04/09/2003CN1409040A 流体止回阀 Fluid valve
04/09/2003CN1408481A 喷嘴 Nozzle
04/08/2003US6544235 Valve for use with a catheter
04/08/2003US6543474 Pressure equalizing check valve
04/08/2003US6543473 Damper valve and a hydraulic power steering device using the same
04/08/2003US6543467 Method for limiting access to a valve for vehicle tires
04/03/2003US20030062371 Reservoir having a ventilating structure
04/03/2003US20030062090 Collapsible dispensing system
04/02/2003EP1296735A1 Actuator comprising moveable membrane
04/02/2003EP0842361B1 Circulator pump check valve
04/02/2003CN1407234A Exhaust valve of compressor
04/02/2003CN1406658A Manifold branch for changeable liquid filter
04/01/2003US6539974 Valve with guide extensions for valve plate
03/2003
03/27/2003WO2003025441A1 Non-return valve for a pump
03/27/2003WO2003024519A1 Anti free-flow valve
03/27/2003US20030058313 Ink cartridge for ink jet printer
03/27/2003US20030058312 Ink cartridge for ink jet printer
03/27/2003US20030056832 Two stage metered relief check valve
03/27/2003DE20300159U1 Oscillation damper for check valves has damping mass located in hollow stem of valve plate and which can freely axially oscillate between two damping springs installed co-axially on each side of mass
03/26/2003EP1296067A2 Passive microvalve
03/26/2003EP1295065A1 A device for protecting an open gas channel
03/26/2003EP1295034A1 Valve, particularly for compressors, with valve face having a concave profile
03/26/2003EP0955838B1 Safety valve for an inverted liquid-filled canister
03/26/2003CN2541693Y Thin sheet check valve
03/26/2003CN2541692Y Reduced cut-off check valve
03/25/2003US6537258 Valve for medical infusion lines and the like
03/25/2003US6537043 Compressor discharge valve having a contoured body with a uniform thickness
03/25/2003US6536467 Valve with increased inlet flow
03/20/2003WO2002101269A3 Vacuum actuated valve
03/20/2003WO2002070060A3 An improved sealing valve assembly for medical products
03/20/2003US20030052199 Spray nozzle
03/20/2003US20030051757 Check valve for fuel pump
03/19/2003EP1293258A1 Spray nozzle
03/19/2003CN1404554A 压缩机阀板 Compressor valve plate
03/19/2003CN1403714A Bleed valve assembly for fluid machinery
03/18/2003US6532983 System for venting a liquid tank
03/13/2003WO2003021139A2 Pressure-activated flexible valve
03/13/2003US20030047700 Exhaust valve for a bag
03/13/2003US20030047216 Pop-type pressure relief valve
03/12/2003EP1291563A2 Check valve and valve with such a check valve
03/12/2003EP1291529A2 Compressor discharge valve
03/12/2003EP1289658A2 Valve for use in microfluidic structures
03/12/2003EP1289607A1 Self contained sport ball inflation mechanism
03/12/2003EP1289606A1 Self contained sport ball inflation mechanism
03/12/2003EP0843098B1 Scroll compressor
03/12/2003CN2539888Y Loose joint valve
03/11/2003US6530395 Check valve arrangement
03/11/2003US6530394 On-off switch structure of a gas tank
03/06/2003WO2003018428A1 Pressure relief valve for a packaging container and device for applying the pressure relief valve to a web of material
03/06/2003US20030044296 Compressor discharge valve
03/06/2003US20030042274 Pressure-activated flexible valve
03/06/2003US20030042191 Manifold adapted for replaceable fluid filter cartridge
03/06/2003US20030041905 Check valve and method of fabrication
03/05/2003CN2539034Y Foldable bicycle
03/05/2003CN1102686C Apparatus for preventing reverse flow in drainage
03/05/2003CN1102366C Inflatable mattress and its making method
03/04/2003US6527524 Double acting simplex plunger pump with bi-directional valves
03/04/2003US6527006 Exhaust valve assembly
02/2003
02/27/2003US20030040711 Trocar seal system
02/27/2003US20030037823 Regulator valve for fuel pump
02/27/2003US20030037822 Check valve for fuel pump
02/27/2003US20030037820 Vacuum demand valve
02/27/2003DE20216210U1 Nonreturn valve comprises a valve disk which is movably installed in the valve housing, with at least one guide surface on its outer circumference, and is provided outside its sealing surface with flow openings
02/26/2003CN2537868Y Top smoke exhaust type electromagnetic check valve
02/26/2003CN1399087A Exhaust valve for bag container
02/25/2003US6523571 Valve apparatus for hermetic compressor
02/20/2003WO2003014605A1 Non-refillable valve for a gas cylinder
02/20/2003WO2003013689A1 No drip valve
02/20/2003WO2002053290A3 Valves and pumps for microfluidic systems and method for making microfluidic systems
02/20/2003US20030035597 Pressure sensitive one-way valve
02/20/2003US20030034078 Back flow preventing eductor
02/20/2003US20030034073 Check valve for fuel pump
02/19/2003EP1283957A1 Micromachined fluidic device and method for making same
02/19/2003CN2536864Y Aerating valve
02/19/2003CN2536863Y Aerating valve
02/19/2003CN1397753A Air valve of flexible air container
02/18/2003US6520419 Supercooling degree control type expansion valve
02/18/2003US6520206 Bi-directional pilot type electromagnetic valves
02/13/2003WO2003012953A2 Actuator
02/13/2003WO2003011401A1 Inflatable articles with self-contained inflation mechanism
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