Patents for F16K 15 - Check valves (18,131)
05/1995
05/10/1995CN2196718Y Energy-saving and silencing non-return valve
05/10/1995CN1102463A Two-port cartridge seat valve
05/09/1995US5413599 Medical valve apparatus
05/03/1995CN1102243A 环形阀 Annular valve
05/02/1995US5411056 Pressure relief valve
05/02/1995US5411055 Flow limiting throttle element
05/02/1995US5411049 For controlling flow of a fluid in a conduit
04/1995
04/26/1995CN2195672Y Water supply controllable regulating valve
04/20/1995WO1995010425A1 Pressure indicating tyre inflation valve
04/20/1995CA2169088A1 Pressure indicating tyre inflation valve
04/19/1995EP0648627A1 Dual component flap
04/18/1995US5406976 Gasket
04/12/1995CN2194442Y Air valve fixing clamp for inflator
04/12/1995CN2194441Y Valve clack
04/12/1995CN1028180C Low pressure sequential hydraulic controlling one-way valve
04/06/1995WO1995009093A1 Dual in-line height control valve assembly
04/06/1995CA2150351A1 Dual in-line height control valve assembly
03/1995
03/31/1995CA2121978A1 Valve with backflow preventer
03/30/1995DE4331718A1 Non-return valve
03/29/1995EP0645289A2 Pressure limiting valve with integrated check-valve
03/29/1995EP0644984A1 Fluid pressure intensifying apparatus.
03/29/1995EP0644791A1 Apparatus and method for supercritical fluid extraction
03/28/1995US5401255 Multi-functional valve with unitary valving member and improved safety
03/28/1995US5400821 Directional control valve
03/23/1995DE4332221A1 2/2-way ball valve for the alternate operation of hydraulic equipment, especially a shovel piston cylinder or a grab piston cylinder on an excavator
03/22/1995EP0643812A1 Serviceable check valve.
03/22/1995CN2192780Y Extension tube check valve
03/15/1995EP0643175A1 Sanitary protection device to prevent the backflow of water
03/15/1995EP0561920B1 A solar energy collector
03/15/1995CN2191950Y Non-air-valve-needle tyre air valve for bicycle
03/15/1995CN2191949Y Spring piston type air inlet valve for pressure container
03/15/1995CN2191948Y Opening device for rise-and-fall stop valve
03/14/1995US5396930 Dual radius valve stop
03/14/1995US5396925 Anti-free flow valve, enabling fluid flow as a function of pressure and selectively opened to enable free flow
03/09/1995WO1995006833A1 Device and method for blocking a liquid flow in one direction
03/08/1995CN2191335Y Lever check valve
03/08/1995CN2191334Y Self-check valve
03/01/1995EP0640783A1 High pressure check valve
03/01/1995EP0640321A1 Dental hand-piece with check valve
03/01/1995EP0491026B1 Valve, method for producing said valve and micropump incorporating said valve
03/01/1995CN2190723Y Emergency inflating valve
03/01/1995CN2190722Y Top suspending shaftpin force metering over loading alarm lift
02/1995
02/28/1995US5392812 Offset hinge flapper valve
02/28/1995US5392810 Plates for wafer check valves
02/22/1995EP0639675A1 Backflow prevention valve
02/22/1995EP0639407A1 Check valve
02/22/1995EP0639099A1 Apparatus and method for supercritical fluid extraction
02/22/1995EP0639098A1 Apparatus for supercritical fluid extraction
02/22/1995EP0479865B1 Butterfly valve apparatus and method
02/22/1995CN2190210Y Bicycle tube valve
02/22/1995CN2190209Y Simple tyre valve
02/22/1995CN2190208Y Check valve with a floating ball
02/21/1995US5390744 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system
02/21/1995US5390700 Automatic valve
02/21/1995US5390699 Reed valve assembly
02/21/1995US5390698 Plate-type, unidirectional-flow, fluid control valve
02/21/1995US5390697 Combination valve
02/21/1995CA2017405C Ball and seat-type valve for downhole rod pump
02/15/1995EP0638328A1 Checkvalve
02/14/1995US5388910 Bag with a filtering check valve
02/14/1995US5388620 Packaging container of the aerosol type which can be recharged with compressed gas
02/14/1995US5388615 Sealing means and sealing valve for container openings
02/09/1995WO1995004235A1 Pneumatic tyre valve
02/07/1995US5387395 Fluid distribution manifold
02/07/1995US5386848 Pneumatic check valve and method for making same
02/07/1995US5386847 Top-entry check valve with threaded fasteners
02/02/1995WO1995003085A1 Multi-function check valve
02/02/1995CA2167572A1 Multi-function check valve
02/01/1995CN1098177A Hydraulic (pneumatic) slow-closure butterfly valve with normal off-axis
01/1995
01/31/1995US5385166 Backflow preventor with adjustable outflow direction
01/31/1995US5385140 Aerosol inhalation device
01/25/1995CN2188152Y Butterfly micro-resistance slow-closing check valve
01/24/1995US5383485 Valve for three-way tubings
01/19/1995DE4323496A1 Changeover valve arrangement
01/18/1995EP0634577A1 Two-way cartridge valve as lift valve
01/18/1995EP0633990A1 Backflow preventor with adjustable outflow direction
01/17/1995US5381821 Fluid check valve with replaceable flapper assembly
01/17/1995US5381563 Check valve, and hydromassaging apparatus comprising at least one of such a check valve
01/11/1995CN2187245Y Valve of inner tube
01/11/1995CN2187244Y Vertical check valve
01/10/1995US5380176 Valved discharge mechanism in a refrigerant compressor
01/10/1995US5379799 Discharge valve apparatus for compressor
01/05/1995WO1995000789A1 Auxiliary tap valve
01/05/1995WO1995000785A1 Elastomeric sleeve fitted on a one-way valve body
01/05/1995DE4320826A1 Passively controlled automatic valve, especially a pump valve
01/04/1995EP0580794A4 Enclosing sleeve for one-way valve.
01/04/1995CN2186836Y Bicycle valve inside
01/04/1995CN2186835Y 自动单向阀 Automatic check valve
01/04/1995CN1097053A Elastomeric sleeve fitted on a one-way valve
12/1994
12/28/1994CN1096855A Automatic controlled gas valve
12/27/1994US5376113 Closing member having flexible closing elements, especially a heart valve
12/27/1994US5375819 Dual in-line height control valve assembly
12/27/1994US5375621 Check valves
12/22/1994WO1994029094A1 Method for assembling during molding parts of different plastic composition
12/22/1994CA2164000A1 Method for assembling during molding parts of different plastic composition
12/21/1994EP0629778A2 Regulating device for screw-type compressors
12/20/1994US5374028 Quick-action flap
12/20/1994US5373868 Ball valve with modular check valve assembly and access port
12/20/1994US5373867 Reed valve mechanism
12/17/1994CA2121763A1 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby