Patents for F16K 3 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (13,986) |
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10/04/1989 | CN2045447U 气动阀门 Pneumatic valves |
10/03/1989 | US4871143 Gate valve with supplemental actuator |
09/27/1989 | EP0334401A2 Method and apparatus for controlling the entry of a medium into a leakage space |
09/26/1989 | CA1260908A1 Gate valve having a secondary seal |
09/26/1989 | CA1260261A2 Sliding gate valve |
09/26/1989 | CA1260260A2 Well nozzle |
09/26/1989 | CA1260259A2 Stationary plate |
09/26/1989 | CA1259977A1 Plastic gate valve |
09/20/1989 | EP0333015A2 Flow-control valve |
09/19/1989 | US4867202 Curtain valve arrangement |
09/19/1989 | US4867197 High pressure valve |
09/19/1989 | EP0318577A4 Flow control device for intravenous administration of fluids. |
09/19/1989 | CA1259595A1 Tap or valve |
09/12/1989 | US4865071 Flow valve |
09/07/1989 | DE3805764A1 Gate valve |
09/06/1989 | CN2044025U Auto-close valve for cutting off water |
09/05/1989 | US4863144 Plug valve |
09/05/1989 | US4862915 Rotary actuated disc valve |
08/30/1989 | EP0329800A1 Valve top |
08/30/1989 | EP0137842B1 Fire resistant gate valve |
08/30/1989 | CN2043697U Valve for controlling liquid |
08/30/1989 | CN2043696U Seal oil-filling device for sluice plate of gas valve |
08/24/1989 | WO1989006764A3 Process and device for controlling the admission of a medium into at least one leakage chamber of a valve device |
08/24/1989 | DE3812357A1 Sliding valve for foundry equipment |
08/23/1989 | CN2043306U Mandrel type multifunctional water-saving tap |
08/22/1989 | US4858641 Shut-off valve |
08/16/1989 | CN2042917U Manual hydraulic gate valve |
08/15/1989 | US4856756 Well bottom release valve |
08/15/1989 | US4856557 Sliding metal seal valve mechanism |
08/09/1989 | EP0326839A2 Sealing system with an annular, elastic and deformable sealing and its application |
08/09/1989 | EP0326787A1 Gate valve |
08/09/1989 | CN2042543U Flow adjusting valve |
08/09/1989 | CN2042542U Simple dual-function water tap |
08/09/1989 | CN2042541U Double functional water tap |
08/03/1989 | DE3835363A1 Method of controlling at least one leakage space of a valve device and device for carrying it out |
08/03/1989 | DE3801569A1 Method and device for the construction of a valve seat with a seal arranged on the housing side |
08/03/1989 | DE3801561A1 Valve device |
08/02/1989 | EP0325980A2 Pivoting sliding valve |
08/02/1989 | EP0325895A1 Separable valve assembly |
08/02/1989 | CN2042140U Leakage-proof fluid controlling valve |
07/27/1989 | WO1989006764A2 Process and device for controlling the admission of a medium into at least one leakage chamber of a valve device |
07/27/1989 | WO1989006763A1 Process and device for protection and support of a seal in a valve arrangement |
07/26/1989 | EP0325200A2 Rotary valve |
07/25/1989 | CA1257858A1 Pre-loaded valve follower sealing apparatus |
07/25/1989 | CA1257857A1 Globe valve having a dismountable seat for rapid maintenance |
07/19/1989 | EP0324698A1 Valve for the transfer of powdery or liquid products under controlled air pressure |
07/18/1989 | US4848730 Structure for sealing and affixing a cover on a valve body and method of manufacture |
07/18/1989 | US4848403 Flow-control valve |
07/12/1989 | CN2040975U Purge valve for oil-gas storage and transportation line of oil field |
07/12/1989 | CN2040969U Multipurpose auto-shut-off water valve |
07/11/1989 | US4846442 Gate valve with lock ring |
07/11/1989 | US4846216 Fluid power valve device |
07/11/1989 | US4845819 Method for coupling two plastic constructive parts used in valve, joint and pipe devices |
07/05/1989 | EP0253803B1 Slide valve and coupler assembly |
07/04/1989 | US4844292 Mechanism for actuating an opening and shut-off valve |
06/29/1989 | WO1989005937A1 Fluid flow control valve |
06/28/1989 | EP0321774A2 Sliding valve with volume adjustment |
06/28/1989 | CN2040201U Hydraulic plate-type gate valve with a build-in rod |
06/28/1989 | CN1004646B Throttle valve |
06/21/1989 | CN2039781U Energy-saving water valve |
06/15/1989 | DE3546557C2 Pressure relief valve |
06/14/1989 | CN2039372U Multi-functional valve for combustible gas |
06/13/1989 | US4838520 Valve for a vacuum enclosure |
06/13/1989 | US4838301 Draining valve for waste paper processing appliances |
06/07/1989 | EP0318577A1 Flow control device for intravenous administration of fluids. |
06/07/1989 | CN2038972U Valve rod protector for combustion-gas valve |
06/07/1989 | CN1033311A Safety-stop valve particularly to be used between mixer and shower to prevent scalding |
06/06/1989 | US4836245 Control valve |
06/06/1989 | US4836243 Gate valve with hydraulic actuator |
06/06/1989 | US4836238 Unitary valve filter combustion |
05/31/1989 | EP0318453A2 Sanitary valve |
05/31/1989 | EP0318380A1 Modulating gas-feeding mechanism for a burner of an apparatus of the gas boiler kind |
05/31/1989 | EP0174340B1 Anti-cavitation low-noise control valve cage trim for high pressure reducing service in liquid or gaseous flow |
05/31/1989 | CN2038580U Differential leak-proof stop valve |
05/30/1989 | US4834133 Control valve |
05/30/1989 | CA1254918A1 Bottom sheet feeding apparatus employing a combination slide plate and vacuum valve |
05/30/1989 | CA1254813A1 Paint circulation adapter and coupler |
05/24/1989 | EP0137779B1 Metering slot configuration for hyraulic control valves |
05/23/1989 | US4832081 Control valve |
05/18/1989 | WO1989004445A1 System for conveying bulk materials |
05/18/1989 | WO1989004433A1 A pair of seal members of hard material having a low friction coefficient |
05/18/1989 | DE3737755A1 Locking mechanism for a vacuum slide valve |
05/16/1989 | CA1254107A1 Straightway or multi-directional control valve of wafer construction |
05/16/1989 | CA1254106A1 Sanitary single-lever water valve |
05/11/1989 | DE3736806A1 Valve |
05/11/1989 | DE3736786A1 Shut-off valve for interrupting an oil supply line in an oil burner |
05/10/1989 | EP0315302A1 Fluid flow control valve |
05/10/1989 | EP0314832A1 Closing mechanism for vacuum gate |
05/10/1989 | CN1032845A Valve sealing structure of bracing type |
05/03/1989 | CN1004095B Device for changing number of part streams of flowing medium |
04/26/1989 | EP0224553B1 A device for changing the number of part streams of a flowing medium |
04/26/1989 | CN2036606U Multipurpose water-economizer |
04/25/1989 | US4824074 Bi-directional gate valve |
04/25/1989 | US4823832 Cartridge valve |
04/19/1989 | EP0312364A2 Flow valve |
04/19/1989 | CN2036229U Water-saving tap for face-washing device |
04/18/1989 | US4821998 Mechanism for operating a metering valve |
04/18/1989 | US4821765 Valve for faucet or the like |
04/13/1989 | DE3744730C1 Throttle valve |
04/12/1989 | EP0311598A2 Valve cartridge for a one-way valve |