| Patents for F16K 7 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (6,637) |
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| 11/15/1989 | EP0341340A1 Membrane valve for fluids |
| 11/08/1989 | CN2047325U Differential pressure type water level control valve |
| 10/31/1989 | US4877053 Pinch valve |
| 10/25/1989 | CN2046573U Multi-purpose auto-running water tap |
| 10/25/1989 | CN2046572U Compound diaphragm valve |
| 10/18/1989 | EP0336931A1 Method and device for mounting a body for use as a sensor or as a blocking device in a conduit containing fluid. |
| 10/11/1989 | EP0336663A2 Valve for fluids |
| 10/11/1989 | EP0336645A1 Valve for fluids |
| 10/05/1989 | WO1989009477A1 Micromechanical device |
| 10/05/1989 | DE3809597A1 Mikromechanisches stellelement Micromechanical adjusting element |
| 10/04/1989 | EP0335300A1 Inflatable plug to block holes and passages |
| 10/04/1989 | CN2045451U Automatic adjusting valve for uniform air sucking of duct |
| 10/03/1989 | US4870859 Flowmeter controller for an air inleakage monitoring system |
| 09/26/1989 | CA1260790A1 Liquid flow regulator |
| 09/21/1989 | DE3808085A1 Valve, particularly a water valve for motor vehicles |
| 09/13/1989 | CN2044306U Two purpose valve for flow controlling valve |
| 09/06/1989 | CN2044027U Diaphragm sealing water tap |
| 09/05/1989 | US4863379 Valve arrangement for hand-operated dental tools |
| 08/23/1989 | EP0329046A1 Device for sealing gully inlets |
| 08/23/1989 | CN2043308U Revolving ring type eakd-tight stop valve |
| 08/22/1989 | US4858883 Valve with flexible sheet member |
| 08/22/1989 | US4858790 Collapsible chamber metering valve |
| 08/22/1989 | CA1258665A1 Tubing occluder |
| 08/09/1989 | CN2042545U Pressure adjustable pressure-limiting valve |
| 08/02/1989 | EP0326376A1 Hydraulic pump unloader means |
| 08/01/1989 | US4852851 Valve with flexible sheet member |
| 07/25/1989 | US4851066 Snap-secured bladder for air-distribution terminal |
| 07/25/1989 | US4850566 Squeezable closure valve for a fluid-conducting conduit |
| 07/19/1989 | EP0161274B1 Opening and closing device for a fluid flow comprising a s-shaped tubular element |
| 07/18/1989 | US4848722 Valve with flexible sheet member |
| 07/11/1989 | US4846215 Back pressure regulator |
| 07/05/1989 | EP0323448A2 Valves for fluids |
| 06/28/1989 | EP0322406A2 Bellows valve |
| 06/28/1989 | CN2040203U Pedal diaphragm-type water valve |
| 06/20/1989 | US4840191 Inflatable valve |
| 06/20/1989 | US4840063 Fail safe valve for an air inleakage monitoring system in a steam turbine |
| 06/15/1989 | WO1989005417A1 Valve with flexible sheet member |
| 06/14/1989 | EP0319952A2 Squeezable valve for fluid conduits |
| 06/07/1989 | CN2038975U Dual-purpose gas valve with automatic programme control |
| 06/07/1989 | CN2038974U Rubber diaphragm valve |
| 06/07/1989 | CN2038973U Single direction tight high-pressure rubber pipe valve |
| 05/31/1989 | EP0318247A1 Powder flow control valves |
| 05/17/1989 | CN2037798U Double-way sealed valve |
| 05/16/1989 | US4830334 Resilient plug construction for a flow regulator incorporating stress limiting means |
| 05/16/1989 | CA1254105A1 Swimming pool cleaner |
| 05/10/1989 | CN1032847A Automatically operating valve for adjusting water flow and tap having this valve |
| 05/10/1989 | CN1032845A Valve sealing structure of bracing type |
| 05/09/1989 | US4828219 Metal diaphragm valve |
| 05/09/1989 | US4827974 Top entry expansible tube valve |
| 05/03/1989 | EP0205367B1 Under pressure inflatable device for obturating a conduit comprising a self-clamping device for reinforced layers |
| 04/25/1989 | US4824072 Tube-diaphragm valve |
| 04/20/1989 | DE3827580A1 Pinch valve |
| 04/19/1989 | EP0312486A2 Air terminal |
| 04/19/1989 | CN2036232U Liquid-level control valve |
| 04/18/1989 | US4822002 Movable sleeve type valve |
| 04/18/1989 | US4821776 Air pilot operated directional control valve |
| 04/11/1989 | US4819684 Injection shut-off valve |
| 04/11/1989 | CA1252394A1 Three-way valve for an attenuator |
| 03/15/1989 | EP0307127A1 Collapsible chamber metering valve |
| 03/14/1989 | US4811758 Pressurized check valve |
| 03/14/1989 | US4811575 Sound insulated bellows-type air terminal valve |
| 03/07/1989 | CA1250794A1 Control regulator having a rolling diaphragm |
| 03/01/1989 | CN2033462U Rubber pipe valve of high and middle pressure |
| 03/01/1989 | CN2033461U Foot operating valve of shower |
| 02/21/1989 | CA1250207A1 Flowgrid regulator |
| 02/16/1989 | DE3726258A1 Device for shutting off tubular transport lines for liquid or gas |
| 02/09/1989 | WO1989001241A1 Sealing method and means for fluid control device |
| 02/09/1989 | DE3725590A1 Membrane valve for corrosive fluids - has flat spring on one side of membrane with pattern for flexible support |
| 02/09/1989 | DE3725589A1 Membrane valve for corrosive fluids - has corrosion resistant metal membrane with captive O=ring seal |
| 01/31/1989 | US4800920 Pinch valve |
| 01/24/1989 | US4799647 Valve assembly for controlling fluid flow |
| 01/18/1989 | CN2031052U Flexible on-and-off valve |
| 01/17/1989 | US4798324 Valve and containers incorporating the same |
| 01/10/1989 | CA1248362A1 Mounting arrangement for a critical flow device |
| 01/03/1989 | US4795130 Piston biasing means |
| 01/03/1989 | US4795114 Stationary clamping device |
| 12/22/1988 | DE3719395A1 Device for shutting off pipelines |
| 12/15/1988 | DE3719107A1 Flow control valve |
| 12/14/1988 | EP0294727A1 Device for plugging pipelines |
| 11/29/1988 | US4787408 Method for sealing off a low pressure gas flow |
| 11/29/1988 | CA1245523A1 Tubing occlusion clip |
| 11/22/1988 | US4786028 Fluid flow control valve |
| 11/22/1988 | US4785841 Bladder valve |
| 11/16/1988 | CN87217015U Convenient tap |
| 11/10/1988 | DE3813925A1 Valve |
| 11/08/1988 | US4783045 Inflatable bladder for control of fluid flow |
| 11/01/1988 | US4781356 Pinch type valves |
| 09/27/1988 | US4773446 Valve block assembly |
| 09/21/1988 | CN87101821A Branch-controlled diaphragm tap |
| 09/13/1988 | US4771204 Sealing method and means for fluid control device |
| 09/13/1988 | US4770201 Fluid flow valve |
| 08/31/1988 | CN88200739U Diaphragm stop valve |
| 08/23/1988 | US4765588 Check valve for use with a syringe |
| 08/17/1988 | EP0278217A1 Body cavity pressure adjusting device for endoscope |
| 08/16/1988 | US4763635 Discharge system for introducing volatilized fuel into an internal combustion engine |
| 08/16/1988 | CA1240662A1 Pinch valve assembly |
| 08/03/1988 | EP0277055A1 Microelectric switch valve with one single diaphragm |
| 07/05/1988 | CA1238832A1 Iv tube activator |
| 06/28/1988 | US4753371 Flow controlled and container |
| 06/22/1988 | CN87214876U Screw surface type internal tube valve |