| 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) |
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| 06/16/1981 | US4273152 Control valve assembly with onstream seal removal feature |
| 06/16/1981 | US4273148 Stem seal for a fire safe ball valve |
| 06/09/1981 | US4272057 Valve and fastener therefor |
| 06/09/1981 | US4271866 Drag ball valve including variable pressure reducing means |
| 06/03/1981 | EP0029732A1 Ceramic ball valve |
| 06/02/1981 | US4270849 Rotary valve actuator construction |
| 06/02/1981 | US4270732 Fluid control valve |
| 05/26/1981 | US4269391 Valve sealing device and a valve |
| 05/26/1981 | US4269218 Rotary valve |
| 05/26/1981 | CA1101822A1 Ball valve with compound closure movement |
| 05/12/1981 | US4266566 Spring assembly for floating seat ring |
| 05/05/1981 | US4265267 Flow control device for use with positive displacement pump |
| 05/05/1981 | CA1100466A1 Ball valve |
| 04/29/1981 | EP0027765A1 Ball-valve and processes for its manufacture |
| 04/21/1981 | US4262880 Plug valve |
| 04/21/1981 | US4262691 Cam means for ball valve seat rings |
| 04/21/1981 | US4262689 Respirator valve |
| 04/21/1981 | US4262688 Metal seat assemblies for valves |
| 04/15/1981 | EP0027048A1 Ball valve |
| 04/07/1981 | US4260131 Low and high operating temperatures valve |
| 03/31/1981 | US4258901 Valve sealing device |
| 03/31/1981 | US4258900 Structure maintaining seats against ball valves |
| 03/31/1981 | CA1098504A1 Ball valve to relieve cavity pressure |
| 03/24/1981 | US4257576 Rotary cocks carrying spherical seals |
| 03/24/1981 | US4257575 Of polytetrafluoroethylene |
| 03/24/1981 | US4257574 Spherical valve seal |
| 03/18/1981 | EP0025137A1 Dosing device for the controlled introduction of solids into pressure vessels |
| 03/17/1981 | US4256135 High flow lined valve for medical applications |
| 03/17/1981 | CA1097602A1 Means and method for in-line removal of seat rings in ball valves |
| 03/10/1981 | US4254793 Ball valve having valve chamber venting seal assemblies |
| 03/03/1981 | US4253640 Actuation system for valve with compound closure movement |
| 03/03/1981 | US4253485 Valve for opening and closing a fluid conduit |
| 03/03/1981 | CA1096842A1 Valve |
| 02/18/1981 | EP0024036A1 Device for assuring the effective sealing of a butterfly valve |
| 02/18/1981 | EP0023997A1 Electrically insulating joint for coupling tubular extremities |
| 02/10/1981 | CA1095486A1 Hydraulic actuator to provide both rotary and linear motions to a movable valve |
| 02/10/1981 | CA1095371A1 Pilot stage valve |
| 01/27/1981 | US4247080 Seal assembly for valves |
| 01/13/1981 | US4244393 Shut-off valve |
| 01/13/1981 | CA1093531A1 Ball valve |
| 01/07/1981 | EP0021110A1 Ball valve |
| 12/30/1980 | US4241754 Pushbutton diverter |
| 12/30/1980 | CA1092588A1 Valve seal |
| 12/30/1980 | CA1092587A1 Rotary valve for controlling the flow of a solid particulate material |
| 12/30/1980 | CA1092470A1 Liquid sampling device |
| 12/16/1980 | US4239185 Valve |
| 12/09/1980 | CA1091216A1 Ball valve |
| 12/02/1980 | US4236691 Ball valve to relieve cavity pressure |
| 11/25/1980 | US4235418 Ball valve having metal seat rings |
| 11/25/1980 | US4235354 Sealing structure for rotary valves |
| 11/18/1980 | US4234011 Plug valve construction |
| 11/18/1980 | US4233926 Flange valve having improved sealing characteristics and wear indicator |
| 11/12/1980 | EP0018880A1 Seat for a ball valve and valve provided with such a seat |
| 11/04/1980 | US4231545 High pressure ball valve with tipping action |
| 11/04/1980 | US4231440 Rotary, segmented, expansible valves |
| 11/04/1980 | CA1088909A1 Apparatus for opening and closing a fluid conduit |
| 10/28/1980 | US4230154 Combined ball and throttle valve |
| 10/28/1980 | CA1088492A1 Ball valve seat assembly having a removably mounted face seal insert |
| 10/28/1980 | CA1088491A1 Valve |
| 10/28/1980 | CA1088490A1 Ball valve seat assembly having a swaged seat ring to retain the face seal |
| 10/21/1980 | US4228988 Valve |
| 10/21/1980 | US4228932 Sealing structure for rotary valves |
| 10/16/1980 | WO1980002171A1 Device on a valve for shutting off and/or controlling a flow of liquid |
| 10/14/1980 | US4227545 Valve for controlling the flow of hot fluids |
| 10/14/1980 | CA1087590A1 Eccentric rotary valve with control-improving wing member |
| 10/14/1980 | CA1087589A1 Vented ball-type cut-out cock |
| 10/07/1980 | US4226263 Erosion control trim in a control mechanism for a ball valve |
| 10/07/1980 | US4226258 Ball valve |
| 10/01/1980 | EP0016553A1 Actuation system for a valve |
| 09/23/1980 | US4223867 Valve with a pair of valve plates |
| 09/17/1980 | EP0015254A1 Valve with a helical spring as valve member |
| 09/16/1980 | CA1085806A1 Rotary valve with an integral passage |
| 08/26/1980 | US4219046 Plug valve and method |
| 08/19/1980 | US4218042 Ball valve construction |
| 08/19/1980 | US4217923 Ball valve with readily removable ball and seats for high temperature environment |
| 08/06/1980 | EP0014129A1 Valve for a polluting or dangerous fluid that can be operated and demounted from a distance |
| 08/05/1980 | US4215847 Plug valve with liner |
| 08/05/1980 | US4215846 Multiportion unitary valve seat and valve incorporating it |
| 08/05/1980 | US4215722 Rotary flow regulating valve and method |
| 07/29/1980 | US4214732 Side-split ball valve construction |
| 07/29/1980 | CA1082670A1 Balanced plug valve |
| 07/23/1980 | EP0013601A1 Variable flow control valve |
| 07/15/1980 | US4212321 Low noise rotary control valve |
| 06/24/1980 | US4209038 Fuel metering valve with porous element |
| 06/17/1980 | CA1079705A1 Vented ball type angle cock |
| 06/11/1980 | EP0012128A1 Spring assembly for floating seat ring |
| 06/10/1980 | US4206904 Ball valve |
| 06/10/1980 | US4206778 Rotary valve assembly having a dual purpose valve element |
| 05/28/1980 | EP0011289A1 Valve |
| 05/27/1980 | CA1078360A1 Fire-safe valve structure |
| 05/20/1980 | US4203572 Locking ball valve |
| 05/20/1980 | US4203460 Ball valve with compound closure movement |
| 05/20/1980 | CA1077913A1 Valve housing with removable self-contained valving unit |
| 05/13/1980 | US4202365 Fire tested butterfly valve |
| 05/06/1980 | US4201239 Sealing device for a valve |
| 04/29/1980 | CA1076541A1 Ball valve having metal seat rings |
| 04/22/1980 | CA1076093A1 Sealing device for a valve |
| 04/15/1980 | US4197876 Fluid valve |
| 04/08/1980 | US4196749 Shut-off valve |
| 03/25/1980 | US4194528 Spherical valve seal piston detecting and locking arrangement |