| Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335) |
|---|
| 12/08/1987 | US4711262 Uni-directional/bi-directional gate valve |
| 11/10/1987 | US4705071 Steam control valve with improved muffler portion |
| 11/04/1987 | EP0244390A2 Gate valve provided with on integrated operating agent system |
| 10/29/1987 | DE3613761A1 Safety valve |
| 07/14/1987 | CA1224113A1 High pressure regulator valve |
| 07/07/1987 | US4678008 Wedge type gate valves |
| 06/09/1987 | US4672203 Two stage valve for use in pressure converter |
| 06/09/1987 | US4671489 Wedge sluice valve |
| 06/04/1987 | WO1987003341A1 Bellows seal |
| 05/19/1987 | US4666126 Control valve |
| 05/06/1987 | EP0220790A2 Fluid control valves with angled metering ports |
| 04/23/1987 | DE3537341A1 Valve for relieving pressure of an enclosed volume of a pressure medium |
| 04/23/1987 | DE3537340A1 Device for relieving pressure from the spindle housing of a control valve |
| 04/21/1987 | US4658859 Valve spool with cross drill ports |
| 04/07/1987 | US4655253 Shut-off valve |
| 03/03/1987 | US4646786 Fluid control valves with angled metering ports |
| 02/19/1987 | DE3528781A1 Proportional choke valve |
| 11/18/1986 | US4622992 Reaction control valve |
| 11/04/1986 | US4620562 High pressure regulator valve |
| 10/22/1986 | CN85109390A Solenoid-actuated valve with balance device |
| 10/14/1986 | US4616671 Valve with flow force compensator |
| 10/07/1986 | US4615354 Valve system timing device for pipes carrying liquid under pressure |
| 09/30/1986 | US4614330 Non-locking tapered plug valve |
| 08/06/1986 | EP0189526A2 Uni-directional/bi-directional gate valve |
| 08/05/1986 | US4603796 Closing and filling unit for a tank containing a fluid under pressure |
| 07/08/1986 | US4598736 Solenoid operated valve with balancing means |
| 07/02/1986 | CA1206837A Angle globe valve |
| 06/24/1986 | US4596274 Slide control valve |
| 04/16/1986 | EP0177620A1 Pressure fluid-actuated valve |
| 04/09/1986 | EP0176525A1 Wedge-type valve |
| 04/08/1986 | US4580603 Shutoff valve with a flap member |
| 03/25/1986 | US4577662 Plug valve equipped with pressure equalization means |
| 03/11/1986 | US4575045 Rotary cock with generally spherical valve member |
| 02/26/1986 | EP0172801A1 Valve with parallel seat faces |
| 01/28/1986 | US4566672 Pressure balanced ball valve |
| 12/18/1985 | EP0165186A1 Spherical plug valve |
| 12/10/1985 | US4557294 Control valve with piston compensated by discharge pressure |
| 10/24/1985 | WO1985004700A1 Wedge-type valve |
| 10/23/1985 | EP0158776A2 Safety valve |
| 08/20/1985 | CA1192115A1 Hydraulic control-unit |
| 08/14/1985 | EP0151247A1 Priorityvalve with flow force compensator |
| 08/06/1985 | US4532960 Control valve device |
| 05/08/1985 | EP0140432A2 Shut-off valve |
| 04/30/1985 | US4514710 Electromagnetic actuator |
| 04/09/1985 | US4509549 Hydraulic powered gate valve |
| 03/12/1985 | US4503884 Angle globe valve |
| 01/08/1985 | CA1180634A1 Fluid flow control valve |
| 11/13/1984 | US4481776 Combined valve |
| 11/07/1984 | EP0123837A1 Control valve for a high pressure hydraulic system |
| 11/06/1984 | US4480812 Trap with reduced force opening means |
| 10/17/1984 | EP0121600A1 Control valve |
| 10/16/1984 | US4477056 For controlling the flow of fluid |
| 09/25/1984 | US4473091 Fluid flow control valves |
| 09/18/1984 | US4471810 Valve apparatus |
| 08/30/1984 | WO1984003344A1 High force-gain valve |
| 08/21/1984 | CA1172937A1 Fluid flow control valve |
| 08/07/1984 | CA1172134A1 Combined valve |
| 05/02/1984 | EP0107186A1 Gate valve with dual backseat |
| 04/04/1984 | EP0104944A2 High pressure regulator valve |
| 02/07/1984 | US4429716 Control valve |
| 02/07/1984 | US4429715 Fluid flow control valve |
| 12/27/1983 | US4422470 Flow limiting valve |
| 10/25/1983 | US4411406 Electromagnetic flow control valve assembly |
| 08/18/1983 | WO1983002813A1 Hydraulic control device |
| 08/17/1983 | EP0085852A1 Three-ports-two-positions valve |
| 08/16/1983 | US4398559 Valve member and assembly with inlet and outlet pressure relief grooves |
| 05/31/1983 | US4385746 Four-way plug valve |
| 10/20/1982 | EP0062715A1 Improved fluid flow control valve |
| 10/19/1982 | US4354664 Fail-safe valve |
| 09/28/1982 | US4351353 Balanced-spotter valve |
| 09/21/1982 | US4350179 Valve assembly with relief groove |
| 08/10/1982 | CA1129307A1 Momentum balance metering spool |
| 08/04/1982 | EP0056891A2 Fluid flow control valve |
| 07/27/1982 | US4341370 High pressure, three stage, balanced valve |
| 06/09/1982 | EP0053514A1 Combined valve |
| 02/16/1982 | US4315526 Steam valve of turbine system in power generating plant |
| 02/09/1982 | US4314585 Proportional type electromagnetic valve |
| 01/05/1982 | US4308894 Dust trap and valve with auxiliary pressure equalizing valve |
| 12/29/1981 | US4307747 Dust trap with removable valve seat |
| 12/29/1981 | CA1115173A1 Steam valve of turbine system in power generating plant |
| 11/17/1981 | CA1112632A1 Valve packing |
| 11/11/1981 | EP0039586A2 Hydraulic pressure control valve |
| 09/01/1981 | US4286767 Solenoid actuated valve device |
| 09/01/1981 | US4286625 Four-way plug valve |
| 08/04/1981 | US4281819 Balanced stem gate valve |
| 07/07/1981 | US4276906 Single-seat globe control valve |
| 06/23/1981 | US4274433 Packed plug for a fluid valve |
| 06/02/1981 | US4270567 Control valve for use in hydraulic apparatus |
| 05/26/1981 | US4269227 Valve apparatus |
| 04/28/1981 | CA1100120A1 Steam stop valve assembly with internal bypass valves |
| 12/23/1980 | US4240609 Flow control apparatus |
| 12/23/1980 | US4240266 Apportioning means for refrigeration system |
| 11/18/1980 | US4234162 Valves for the control of pressure fluid |
| 11/04/1980 | US4231548 Balance valve disc and seat structure |
| 10/28/1980 | US4230299 Pressure balanced gate valve having selective actuator systems |
| 09/02/1980 | US4220178 Momentum balance spool |
| 07/01/1980 | US4210311 Valves |
| 06/10/1980 | CA1079254A1 Metering valve |
| 04/30/1980 | EP0010113A1 Apparatus for limiting the axial force, especially for valves |
| 04/15/1980 | US4197873 Fluid operable valves |