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 5 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
Patents for F16K 5 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (12,536)
02/1990
02/20/1990CA1266037A1 Ball valve
02/20/1990CA1266036A1 Ball valve
02/20/1990CA1265996A2 Hydraulically operable control unit
02/13/1990US4899981 In-run cleanable orifice trap
02/13/1990US4899980 Ball valve
02/07/1990EP0354198A2 Drain through ball valve
02/07/1990EP0353521A1 Stop and control cock
02/06/1990CA1265501A1 Raised hardface overlay valve seat
02/06/1990CA1265500A1 Valve stem packing assembly
02/06/1990CA1265439A2 Method for production testing of a well
02/06/1990CA1265438A2 Ball valve apparatus
01/1990
01/31/1990EP0353158A1 Valve-sealing devices
01/31/1990CN2052094U Water-saving tap
01/31/1990CN2052093U Normal open resersing valve
01/17/1990EP0350596A1 Device for limiting and adjusting of the swatching travel of fittings
01/16/1990US4893781 Stem packing assembly for frequent cycling valve
01/10/1990EP0350017A1 Valve with a leak indicator
01/10/1990EP0231302B1 Shut-off device in the form of a ball-valve
01/10/1990CN2050914U Ball valve for heat preservation used for heating pipeline
01/02/1990US4890816 Valve seats
01/02/1990US4890643 Bi-directional sealing valve
12/1989
12/26/1989US4889163 Valve assembly
12/20/1989EP0346714A1 Valve
12/19/1989US4887794 Ball valve
12/19/1989US4887740 Valve for beverage dispenser and the like
12/19/1989US4887644 Tee fitting integrally formed in valve body
12/14/1989DE3818805A1 Regulating and shut-off device for flowing media, especially rotary cone valve
12/13/1989EP0346216A1 Ball valve
12/07/1989DE3900580A1 Sealing arrangement
12/07/1989DE3819301A1 Ball valve for shutting off pipes, having a floating spherical plug and radially displaceable seat rings
12/06/1989EP0344908A1 Valve, seals therefor, and drink dispenser
12/06/1989EP0344584A2 Sealing arrangement
12/06/1989CN2048921U Manual integrated ball check for tri-valve set
12/06/1989CN2048920U High efficient flow valve
11/1989
11/30/1989DE3816736A1 Ball valve
11/29/1989EP0343909A2 Fluid fittings
11/29/1989CN2048544U Spring seal cock
11/28/1989US4883253 Ball valve and methods of fabrication
11/28/1989CA1263358A1 Regulating valve
11/23/1989EP0342993A2 Shut-off valve
11/23/1989DE3912278A1 Angle valve
11/23/1989DE3816887A1 Ball valve with a split ball and a one-piece housing
11/22/1989CN2048147U Aerodynamic v-type regulating notched ball valve
11/21/1989US4881718 Ball control valve
11/16/1989DE3815710A1 Ball valve
11/15/1989EP0341449A2 Ball valve
11/15/1989CN2047742U Flow controllable drip-proof semiautomatic water tap
11/14/1989US4880032 Multiple port valve
11/07/1989US4878652 Plug valve
11/02/1989WO1989010507A1 A stop valve
11/02/1989WO1989010506A1 Spring and seat assembly for ball valves
11/01/1989CN2046963U Cock-type two-functional water-saving tap
11/01/1989CN1036819A Digital valve
10/1989
10/31/1989US4877056 Digital valve
10/31/1989US4877052 Check valve
10/26/1989DE3812539A1 Ball valve
10/25/1989EP0338030A1 Apparatus for maintenance of ball valve
10/19/1989DE3822564C1 Sampling cock as shut-off ball cock
10/18/1989CN2046168U Easy closed ball valve
10/18/1989CN2046167U Self-closed magnetic controlling tap
10/04/1989EP0335307A1 Numeric valve
10/04/1989EP0335090A2 Control element for the adjustment of flow rate
10/04/1989CN2045450U Water tap with up-down clutch
09/1989
09/26/1989US4869450 Ball valve
09/26/1989CA1261808A1 Ball valve
09/26/1989CA1261807A1 Ball valve
09/26/1989CA1261311A1 Blinding device for liquid carrying conduit
09/26/1989CA1260908A1 Gate valve having a secondary seal
09/26/1989CA1260384A1 Subsea master valve for use in well testing
09/20/1989EP0332831A2 Ball valve with casing, passage, ball cock and control spindle
09/19/1989US4867415 Valve apparatus and method of operating thereof
09/19/1989US4867414 Ball valve
09/19/1989CA1259595A1 Tap or valve
09/14/1989DE3807230A1 Device for shutting off and opening a flow passage
09/13/1989CN2044304U Double controlled water saving valve
09/07/1989DE3805638A1 Shut-off cock with cylindrical or taper plug
09/06/1989CN2044026U Closed plunger valve
09/05/1989US4863144 Plug valve
09/05/1989US4862917 Fuel control device, fuel control system using the device and method of making the device
09/05/1989CA1259089A1 Coupling device with eccentrically-mounted rotary valve element
08/1989
08/23/1989EP0328914A2 Rotary valve assembly
08/23/1989CN2043307U Underground penstock drainage valve for farmland irrigation
08/22/1989US4858887 Valve and valve roller sealing
08/09/1989EP0326844A2 Shut-off or control valve
08/09/1989CN2042547U Non-contacting, hygienic, safety, electronic water tap
08/09/1989CN2042544U Spring seal ball valve
08/08/1989US4854545 Faucet valve with diagonal sealing ring
08/03/1989DE3801830A1 Sealing arrangement for a ball valve
08/02/1989EP0325846A1 Closing member for a valve
08/02/1989EP0325700A1 Improved tapered ball valve
07/1989
07/25/1989US4850567 Ball valve
07/19/1989CN2041381U Cylinder valve
07/19/1989CN2041380U Cock with lock
07/18/1989US4848724 Ball valve with handle locking mechanism
07/18/1989US4848398 Ball gate pressure relief valve
07/12/1989EP0203153B1 A valve
07/11/1989US4846223 Self-venting spool valve assembly
07/11/1989US4846221 Ball valve with built-in check valve
07/11/1989US4846213 Drain through ball valve
07/06/1989DE3740367C1 Seat ring for ball cocks mounted in a floating manner, having a sealing element which blocks on one side
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