| Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335) |
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| 11/23/1993 | US5263679 Valve with actuator |
| 11/23/1993 | US5263514 Boom control valve |
| 10/28/1993 | DE4313384A1 Electromagnetic valve for vehicle hydraulic brake system with ABS or antislip function - forms either 2/3- or 3/3-way valve and has pressurised areas within valve approximately equal so that net axial force is low |
| 10/26/1993 | US5255706 High-pressure ball valve with internal pressure equalization |
| 10/19/1993 | US5253679 Valve assembly for high pressure water shut-off gun |
| 10/13/1993 | EP0565243A1 Tapered plug valve |
| 09/22/1993 | EP0561294A1 Balanced valve |
| 09/15/1993 | EP0559998A1 Mixer valve for hot and cold water incorporating a pressure balancer |
| 08/17/1993 | US5236014 Trim for ANSI class V shut off of valves |
| 08/04/1993 | EP0473615B1 Check valve |
| 07/06/1993 | US5224686 Valve assembly for high pressure water shut-off gun |
| 06/23/1993 | EP0547381A1 Ball valve |
| 05/11/1993 | US5209455 Valve and solenoid valve operated by very small force |
| 04/28/1993 | CN1071497A 半自动蝶阀 Semiautomatic butterfly |
| 04/07/1993 | CN1020240C Pressure-medium-operated valve |
| 04/06/1993 | US5199683 Blowout preventer opening mechanism |
| 03/11/1993 | DE4129774A1 Pressure compensated switch valve for hydraulic media - is very compact with drive element compensated in itself independently of operating rod |
| 02/24/1993 | EP0248004B1 Bellows seal |
| 01/07/1993 | DE4122120A1 Improved seal design for crystal removal lock of a reactor - consists of protecting the seal from direct radiation from crystal and avoidance of shear action in the closure |
| 12/22/1992 | US5172722 Stop valve for a vacuum apparatus |
| 12/08/1992 | US5169123 Steel ball valve |
| 10/08/1992 | DE4111064A1 3-2 Hydraulic directional control valve - has pair of spools in bore with angled connecting holes formed in each spool to provide interconnection across assembly for pressure balancing |
| 10/07/1992 | EP0507371A1 Compensated valve and fuel dispenser implementing same |
| 09/08/1992 | US5145146 Nozzle support arrangement in electromagnetic valve |
| 08/20/1992 | WO1992014085A1 Cartridge valve |
| 08/11/1992 | US5137055 Stop valve |
| 07/23/1992 | DE4101117A1 Gate seat valve assembly - has pressure compensating chamber connected to consumer by branch pipe |
| 06/23/1992 | US5123448 Valve arrangement |
| 06/23/1992 | CA1304064C Gate value for air lock |
| 05/29/1992 | WO1992008918A1 A valve for a two-way or multiple-way flow regulation |
| 05/27/1992 | EP0486945A1 Valve and solenoid valve operated by very small force |
| 04/29/1992 | CN2103051U Self-balance clevice for cut-off valve |
| 04/07/1992 | US5101861 Slide valve |
| 02/11/1992 | US5086808 Balanced sleeve control choke |
| 01/22/1992 | EP0467292A1 Gate valve |
| 11/06/1991 | EP0454758A1 A valve arrangement. |
| 11/06/1991 | CN1055987A Pressure-medium-operated valve |
| 10/08/1991 | CA1290308C Vacuum controller |
| 10/01/1991 | US5052657 Ball valve |
| 09/10/1991 | US5046530 Force-balanced lifting valve |
| 07/24/1991 | EP0438285A2 Valve assembly for high pressure water shut-off gun |
| 06/19/1991 | EP0432873A2 Pressure balanced cartridge choke valve |
| 03/12/1991 | US4998561 Flow control valve |
| 02/20/1991 | CN1011734B Solenoid-actuated valve with blance device |
| 01/24/1991 | WO1991000972A1 Valve with pressure equalizing |
| 01/22/1991 | US4986512 Servo piston valve |
| 11/29/1990 | WO1990014537A1 Check valve |
| 11/29/1990 | DE3916885A1 Absperrventil Shut-off valve |
| 11/20/1990 | US4971099 Pressure balanced cartridge choke valve |
| 11/07/1990 | EP0396479A1 Spherical plug valve |
| 10/31/1990 | EP0395574A1 Pressure fluid actuated valve |
| 10/11/1990 | DE3910765A1 Two-way valve |
| 08/08/1990 | EP0380754A2 Force-balanced lift valve |
| 07/26/1990 | WO1990008284A1 A valve arrangement |
| 07/25/1990 | EP0378772A1 Method for compensating the flow forces in a hydraulic valve, and hydraulic valve to carry it out |
| 06/12/1990 | US4933569 Shut-off valve for sprayer |
| 05/30/1990 | EP0370968A1 A valve, particularly a pneumatic valve, provided with a pre-inlet pilot valve |
| 05/29/1990 | US4928733 Steam valve with variable actuation forces |
| 05/29/1990 | CA1269652A1 Uni-directional/bi-directional gate valve |
| 05/23/1990 | EP0369090A1 Regulation valve with pressure compensation |
| 05/17/1990 | WO1990005262A1 A constant regulating valve with pressure compensation |
| 04/17/1990 | US4917137 Pressure-balancing mixing valve |
| 03/28/1990 | CN1040858A 流量控制阀 Flow control valve |
| 03/08/1990 | DE3828998A1 Control valve |
| 02/20/1990 | US4901978 Flow control valve |
| 02/20/1990 | CA1266036A1 Ball valve |
| 12/28/1989 | WO1989012773A1 Flow control valve |
| 12/19/1989 | EP0248004A4 Bellows seal. |
| 10/24/1989 | US4875659 Servo-valve |
| 09/26/1989 | CA1261808A1 Ball valve |
| 09/26/1989 | CA1261807A1 Ball valve |
| 08/24/1989 | DE3803988A1 Hydraulically operable directional control valve, preferably for hydraulic support systems and the like |
| 07/18/1989 | US4848401 Isolation chamber valve |
| 07/05/1989 | EP0322597A2 Single handle mixing valve with a pressure compensating device |
| 06/15/1989 | DE3835865A1 Valve operated by a pressure medium |
| 05/30/1989 | US4834141 Two position seat valve |
| 05/24/1989 | DE3348155C2 Control valve device |
| 04/25/1989 | US4824074 Bi-directional gate valve |
| 04/05/1989 | EP0309856A2 Servo valve |
| 03/28/1989 | US4815702 Gate valve with poppet closure |
| 03/16/1989 | DE3816117C1 Control valve |
| 03/07/1989 | US4809746 Proportional throttle valve |
| 02/21/1989 | US4805667 Flow control valve |
| 01/03/1989 | US4795131 Vacuum controller |
| 11/08/1988 | CA1244316A1 Valve with flow force compensator |
| 10/20/1988 | DE3710858A1 Ball valve |
| 09/21/1988 | EP0282675A2 Flow control valve for a medical ventilator |
| 06/30/1988 | DE3643318A1 Pressure-relieved valve |
| 06/15/1988 | EP0271479A1 Two-position seating valve |
| 06/15/1988 | EP0271113A2 Valve with a pressure-equalised sealing element |
| 06/14/1988 | US4750511 Fluid pressure spool valve and method of controlling pressure forces acting thereon |
| 05/25/1988 | EP0268521A1 Lock valve |
| 05/03/1988 | CA1236072A1 Wedge type gate valves |
| 04/27/1988 | EP0137036B1 High force-gain valve |
| 04/19/1988 | US4738278 Hydraulic control device |
| 03/01/1988 | CA1233391A1 High force-gain valve |
| 01/20/1988 | CN87101607A Gate valve with integrated system of working medium |
| 01/19/1988 | CA1231618A1 Pressure-medium-actuated valve |
| 01/14/1988 | DE3623182A1 Control valve with relief valve for hydraulic systems, especially presses |
| 12/09/1987 | EP0248004A1 Bellows seal. |