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)
10/1996
10/24/1996DE19521586C1 Backflow preventer in pipeline
10/22/1996US5566869 Arm supported drinking container
10/17/1996WO1996032599A2 Pump barrel seal assembly including seal/actuator element
10/16/1996EP0677157A4 Improved multiple stage reed valves for use in internal combustion engines.
10/16/1996CN2237765Y Air-spring type check pressurizing valve
10/16/1996CN1133218A Method for making valve inside and valve body and products thereof
10/15/1996US5564468 Seat-style pressure-relief valve
10/15/1996US5564467 Poppet check valve
10/15/1996US5564143 Fluid pump and inflatable bladder
10/10/1996WO1996031285A1 Airless paint sprayer outlet check valve
10/10/1996CA2214419A1 Airless paint sprayer outlet check valve
10/09/1996CN2237158Y Self saving inflator for motor
10/02/1996CN2236585Y Fully closed reciprocal compressor valve
09/1996
09/25/1996EP0733181A1 Pressure relief valve
09/25/1996EP0733012A1 Method for inerting packaging covers, devices therefor, and packaging cover used therein
09/24/1996US5558121 Fluid actuated ball check valve assembly
09/24/1996US5558117 Pneumatic valve assembly with dynamic annular seal flange
09/19/1996WO1996019689A3 Valve arrangement, in particular for pneumatic control systems
09/18/1996EP0732301A1 Device for limiting the liquid loss adaptable to a device for dispensing pressurized fluid
09/18/1996EP0731888A1 Plates for dual plate check valves
09/18/1996CN2235539Y Bellows ball core type cutting-off-check valve
09/18/1996CN2235538Y Pressure increasing check valve
09/11/1996EP0731304A1 Check valve for fluid bladder
09/11/1996CN1130569A Ink cartridge for ink jet printer
09/11/1996CA2171137A1 Backflow preventer
09/04/1996EP0653033B1 Check valve
09/04/1996CN2234541Y Tyre inflating valve
09/04/1996CN2234540Y Automatic air type valve
09/03/1996US5551483 For sanitary devices
09/03/1996US5551479 Combination ball and check valve
08/1996
08/29/1996WO1996026376A1 Improved valve plunger
08/29/1996WO1996019688A3 Check valve
08/29/1996WO1996019687A3 Check valve
08/27/1996US5549135 Ball Valve
08/22/1996WO1996025326A1 Safety device
08/22/1996WO1996025189A1 Pump chamber and valve for a pump chamber
08/22/1996CA2211237A1 Pump chamber and valve for a pump chamber
08/22/1996CA2210965A1 Safety device
08/21/1996EP0727531A1 Air admittance valve
08/21/1996EP0515597B1 Nonreturn valve, in particular for medical infusion appliances
08/21/1996CN2233492Y One-way water stop valve
08/21/1996CN1129424A Pressure indicating tyre inflation valve
08/20/1996US5546981 Check valve
08/20/1996US5546977 Dual containment valve system
08/15/1996WO1996024791A1 Low actuation pressure unidirectional flow valve
08/15/1996WO1996024499A1 A device for operating a valve
08/15/1996CA2210092A1 A device for operating a valve
08/14/1996EP0725907A1 Miniature duckbill valve
08/14/1996CN2233015Y Check valve
08/08/1996DE19602512A1 Non-return valve with plug coacting with valve seat
08/08/1996DE19503945A1 Spring-loaded non-return valve with plug pressed by spring onto seat
08/08/1996DE19503487A1 Non-return valve with valve plate
08/06/1996US5542845 Dental syringe safety sheath with modified duckbill valve
08/01/1996WO1996023154A1 Compressor valve
07/1996
07/31/1996CN2232102Y Hydraulic cut-off device
07/31/1996CN2232101Y Self-locking type one-way valve
07/30/1996US5540558 Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor
07/24/1996EP0723079A1 Valved discharge mechanism of fluid displacement apparatus
07/24/1996CN2231751Y Valve stop member with double radius
07/24/1996CN2231750Y Low-resistance check valve
07/23/1996US5538034 Valve
07/18/1996WO1996021589A1 Fluid-operated brake actuator with check valve
07/18/1996DE19600878A1 Tankabsperrventil für mit komprimiertem Erdgas angetriebene Fahrzeuge Tank shutoff valve for compressed natural gas-powered vehicles
07/17/1996EP0722060A2 One way valve
07/17/1996EP0721403A1 Pressure indicating tyre inflation valve
07/17/1996CN2231354Y Bicycle air valve
07/17/1996CN2231353Y High vacuum over-pressure inflatable valve
07/17/1996CN2231352Y Spring check valve
07/16/1996US5535785 Luer-activated check valve
07/10/1996CN2230858Y Automatic pressure reducing air valve for bicycle
07/09/1996US5533876 Pump barrel seal assembly including seal/actuator element
07/04/1996WO1996020365A1 Non-stick treatment for elastomeric slit valves
07/04/1996CA2207724A1 Non-stick treatment for elastomeric slit valves
07/03/1996CN2230383Y Non-return air-inlet valve for fresh-beer cabinet
07/03/1996CN2230382Y Rubber soft-jointing non-return valve
07/03/1996CN1032227C Valve assemble, for use in conbination with straght-cylinder, gas-compression chamber, and in combination there with
07/02/1996US5531571 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby
06/1996
06/27/1996WO1996019689A2 Valve arrangement, in particular for pneumatic control systems
06/27/1996WO1996019688A2 Check valve
06/27/1996WO1996019687A2 Check valve
06/27/1996WO1996019620A1 Non-return device
06/27/1996DE4445686A1 Ventilanordnung, insbesondere für pneumatische Steuerungen Valve arrangement, especially for pneumatic controls
06/27/1996DE4445650A1 Rückschlagventil Check valve
06/27/1996DE4445361A1 Rückschlagventil Check valve
06/26/1996EP0718501A1 Multicellular electric centrifugal pump
06/26/1996EP0717822A1 Device and method for blocking a liquid flow in one direction
06/25/1996US5529091 Check valve
06/20/1996DE4445222A1 Closing member for hydraulic control valve
06/19/1996CN2229591Y Needle valve for ball
06/19/1996CN1124939A Method for assembling during molding parts of different plastic composition
06/13/1996WO1996018054A1 Non-water hammering check valve device
06/05/1996EP0714675A2 Valve device
06/04/1996US5522423 Forged body full port swing check valve
06/04/1996CA2099123C One-way fluid flow non-return valve
05/1996
05/29/1996CN1123379A 球阀 Ball
05/28/1996US5521000 Semicrystalline thermoplstic matrix selected from poly(aryl)etheretherketone, poly(aryl)etherketoneketone and polyphenylene sulfide reinforced by atleast two fabric having a harness stain weave; chemical and heat resistance
05/28/1996US5520067 Check valve for hydraulic self-regulating device pistons
05/23/1996WO1996015399A1 High pressure abrasive slurry check valve
05/22/1996EP0713037A1 Ball valve
05/22/1996EP0712640A1 Medical apparatus with valved fluid line
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