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)
04/2005
04/12/2005US6877524 Valve for winterizing a pool
04/07/2005WO2005031202A1 Valve arrangement
04/07/2005WO2005031201A1 Pressure regulator assembly
04/07/2005WO2005009755A3 Retractable writing instrument
04/07/2005US20050072480 Annular one-way valve
04/07/2005US20050072477 Air fitting with an integral check valve
04/07/2005US20050072476 Fluid jet for providing fluid under pressure to a desired location
04/07/2005US20050072475 Precision valve for a garment vacuum bag
04/06/2005EP1519871A2 Gas valve
04/06/2005EP1289606A4 Self contained sport ball inflation mechanism
04/06/2005CN2690800Y Special valve for hot water stove
04/06/2005CN2690695Y Self working check valve
04/06/2005CN2690694Y New check valve
04/06/2005CN2690693Y Integrate leakless high pressure lifting check valve
04/05/2005US6874999 Micropumps with passive check valves
04/05/2005US6874760 Angled-slit bite-valve
04/05/2005US6874532 Valve for a fuel delivery unit
04/05/2005US6874524 Air valve capable of preventing air leakage when a connection head of an inflation device is removed
03/2005
03/31/2005WO2005028970A1 Cold generator
03/31/2005WO2005028865A1 Variable displacement type clutchless compressor
03/31/2005US20050070412 Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging
03/31/2005US20050067596 Annular valve
03/31/2005US20050067027 Fitting for fuel tanks
03/31/2005US20050067026 Check valve position detector
03/31/2005US20050067024 Reverse-flow throttle valve
03/31/2005US20050067016 Air valve assembly for a fire hydrant
03/30/2005EP1518067A1 Bistable membrane valve
03/30/2005CN2689006Y Air intaking and outtaking actuating valve of experimental animal cage
03/30/2005CN2689005Y Core of checking valve
03/30/2005CN1601161A Multifunctional taper valve
03/30/2005CN1601160A Inner sealed type cone non-return valve without hammer blow
03/30/2005CN1601084A Non-return valve
03/29/2005US6872317 Comprises natural/regenerated fiber; waste treatment; pollution control
03/29/2005US6871669 Connector apparatus and method of coupling bioprocessing equipment to a media source
03/29/2005US6871664 Valve flange connection
03/26/2005CA2482401A1 An air valve assembly for a fire hydrant
03/24/2005WO2005026594A2 Inflation valve with pneumatic assist
03/24/2005WO2005026593A2 Check valve
03/24/2005WO2005026591A2 Fluid jet for providing fluid under pressure to a desired location
03/24/2005WO2005005795A3 Device for sealing the discharge end of a pipe in the exhaust system of an internal combustion engine
03/24/2005US20050065007 Method for manufacturing a sealable bag having an integrated valve structure for use in vacuum packaging
03/24/2005US20050062284 Pressure relief valve in connector assembly of inflatable articles
03/24/2005US20050062000 Electric motor actuated stop and self-closing check valve
03/24/2005US20050061372 Pressure regulator assembly
03/24/2005US20050061327 Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap
03/24/2005US20050061267 Check valve for diesel engine
03/24/2005DE10339843A1 Refrigeration circuit for driving freezer head unit for cryogenic purposes has back pressure valve and release system with pneumatic or hydraulic control
03/24/2005DE10335379B9 Rückflußverhinderer Backflow preventer
03/23/2005EP1407177A4 Reciprocating piston pump adjustable inlet ball travel
03/23/2005EP1068443B1 Pressure valve
03/23/2005CN2687456Y Anti-theft valve for gas meter
03/23/2005CN2687455Y Double non-return valve
03/23/2005CN2687435Y Deep-buried water intake valve
03/23/2005CN1599566A Inflatable insulation incorporating pressure relief means
03/23/2005CN1598377A Composite dual-supporting double-speed multifunctional valve
03/23/2005CN1598331A Check valve for hydraulic chain tensioner
03/23/2005CN1598312A Discharge valve for compressor
03/22/2005US6869062 Valve for discharging fluid from a tank
03/17/2005US20050056329 Discharge valve for compressor
03/17/2005US20050056314 Air tap assembly
03/17/2005DE10338448A1 Diaphragm valve for mixer chamber acts as non-return valve by sealing against sealing seat having a pronounced curved surface
03/17/2005DE10221077B4 Federbelastetes Ölüberströmventil für Membranverdichter Spring-loaded overflow valve for diaphragm compressor
03/16/2005EP1514729A2 Air bag inflation/deflation system
03/16/2005EP1311780A4 Bleed member and bleed valve assembly
03/16/2005CN2685682Y Antipolluting isolating valve
03/16/2005CN2684723Y Self-flowing water plug for thermos bottle
03/15/2005US6866062 Check valve
03/15/2005US6866056 Fuel tank venting system
03/10/2005US20050051218 Relief valve
03/09/2005EP1512510A2 A cartridge for contamination-free dispensing and delivery systems
03/09/2005CN2684159Y Dripping proof water meter
03/09/2005CN2683963Y Novel air pin
03/09/2005CN1592819A Valve assembly of reciprocating compressor
03/09/2005CN1590818A Check ball valve and water draining controller using valve
03/09/2005CN1590817A Flow circuit switch device
03/09/2005CN1590783A Stop ring and a hydraulic/pneumatic device equipped with a stop ring
03/09/2005CN1589927A Dry safety device for combustible gas
03/08/2005US6863261 Valve stop
03/08/2005US6863083 Vacuum demand flow valve
03/03/2005WO2005019707A1 Combined non-return and pressure-relief valve
03/03/2005US20050046182 Connector assembly for flexible inflatable articles
03/03/2005US20050045845 Stop ring and a hydraulic/pneumatic device equipped with a stop ring
03/03/2005US20050045226 Dry safety device for an inflammable gas
03/03/2005DE10339577A1 Ball stop-cock has throttle mechanism adjusted by separate actuator through adjusting spindle extending through hollow shaft
03/02/2005EP1510741A2 Piezoelectric valve
03/02/2005CN2682259Y Sphere type anti-return apparatus
03/02/2005CN2682256Y Non-return plug valve
03/02/2005CN1589168A Filtering face mask that uses an exhalation valve that has a multilayered flexible flap
02/2005
02/24/2005WO2005016084A1 A device for underpressure-activated dispensing of fluids
02/24/2005US20050040088 One piece elastomer relief and anti-drain back valves for fluid filter
02/24/2005US20050039922 Safety valve having extension spring closure mechanism
02/24/2005US20050039798 Tubular flow conduit with in-line integrated check valve and method of making same
02/24/2005DE20320754U1 High pressure seal for threaded inserts in flap valves comprises a flat seal fitting arranged axially in front of or behind threads radially between a section of a housing of a threaded insert on one side
02/24/2005DE202004019500U1 Back pressure valve for auxiliary heating unit for vehicle, comprising two pipe sections to be joined with union nut in various positions
02/24/2005DE10357805A1 Auslass-Rückschlagventil für eine Fahrzeug-Vakuumpumpe Outlet check valve for a vehicle vacuum pump
02/24/2005DE10336034A1 Sewage and rainwater outfall pipe has segmented internal barrier pivoting within pipe insert
02/23/2005EP1508474A2 Inflation valve assembly for a dunnage or cargo air bag
02/23/2005EP1508353A1 One piece elastomer relief and anti-drain back valves for fluid filter
02/23/2005EP1507620A2 Self-sealing one-piece vacuum fitting for bagging of composite materials
02/23/2005CN1584381A Inflation valve assembly for a dunnage or cargo air bag
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