| Patents for F15B 20 - Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems (2,348) |
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| 06/02/1998 | US5758499 Hydraulic control system |
| 05/28/1998 | DE19647169A1 Steuervorrichtung für Fahrsystem bei Baufahrzeugen Control device for driving system construction vehicles |
| 05/20/1998 | EP0842376A1 Dual pilot manifold assembly for a safety relief valve |
| 05/12/1998 | US5750950 Hydraulic drive device for circuit breaker and circuit breaker using the same |
| 05/12/1998 | US5750879 Stick-slip detection method and apparatus |
| 04/23/1998 | DE19643104A1 Valve mechanism, especially for hydraulic overload protection of presses |
| 04/23/1998 | DE19641540A1 Hydraulic control valve |
| 04/07/1998 | US5735122 Actuator with failfixed zero drift |
| 03/31/1998 | US5733017 Pressure accumulating control system |
| 03/19/1998 | DE19637804A1 Valve unit for hydraulic overload safety in presses |
| 03/18/1998 | EP0829342A1 Hydraulic system for controlling brakes, clutches and brakes-clutches |
| 03/17/1998 | US5727442 Safety device at hydraulic piston-cylinder units |
| 02/19/1998 | WO1998006946A1 Apparatus for diagnosing failure of hydraulic pump for work machine |
| 02/18/1998 | EP0823967A1 Safety device for an electro-hydraulic drive unit |
| 01/21/1998 | EP0819795A1 Hydraulic circuit for hydraulic machine |
| 01/21/1998 | CN1170894A Control device |
| 01/15/1998 | DE19628058A1 Travel/ride control unit for vehicle with hydrostatic propulsion |
| 01/15/1998 | CA2193930A1 Control device |
| 01/08/1998 | WO1998000200A1 Pump system |
| 12/30/1997 | US5701801 Mechanically redundant actuator assembly |
| 12/30/1997 | US5701618 Hydraulic system for hydraulically actuating an ambulance lifting table |
| 12/18/1997 | DE19723728A1 Process for detection of stick-slip movements in control valves or gas regulators |
| 12/10/1997 | EP0811513A2 Actuator drive system and suspension apparatus |
| 12/04/1997 | DE19649440C1 Pneumatically operable drive unit |
| 12/04/1997 | DE19622198A1 Dynamic monitoring device for valves |
| 12/03/1997 | EP0810136A1 Pressure installation |
| 12/03/1997 | CN1166404A Control device for two-hand control means for controlling presses, for instance |
| 11/27/1997 | DE19621087A1 Safety circuit for actuators controlled by analogue signals e.g. for machine tools and vibratory tables |
| 11/26/1997 | EP0727977B1 Hydraulic system for the hydraulic operation of an ambulance lifting platform |
| 11/19/1997 | CN1165264A Circuit reset lockout |
| 11/05/1997 | EP0805280A1 Safety valve for apparatus operating with pressurised fluid |
| 11/04/1997 | US5683071 Pilot hydraulic system controller apparatus |
| 10/28/1997 | US5680761 For driving a hydraulic pump |
| 10/16/1997 | WO1997038228A1 Safety circuit |
| 10/09/1997 | DE19613848A1 Sicherheitsschaltung Safety circuit |
| 09/24/1997 | EP0797010A2 Hydraulic oil power unit |
| 09/09/1997 | US5664477 For use in a hydraulic system |
| 09/03/1997 | CN1158393A Rupture disk apparatus and methods |
| 08/27/1997 | EP0791869A1 A circuit reset lockout |
| 08/24/1997 | CA2193929A1 Circuit reset lockout |
| 08/21/1997 | DE19605173A1 Hydraulic safety valve, with non-return valve in consumer line |
| 08/07/1997 | WO1997028318A1 Hydraulic circuit for hydraulic machine |
| 08/07/1997 | WO1997027995A1 Hydraulic system for controlling brakes, clutches and brakes-clutches |
| 08/05/1997 | US5654885 Valve position controller |
| 07/30/1997 | CN1155744A Fluid pressure drive device for circuit breaker and circuit breaker using the same |
| 07/29/1997 | US5651385 Servo drive operated by a pressure medium |
| 07/02/1997 | EP0782057A1 A double valve control device |
| 06/25/1997 | EP0780743A1 A two-hand control device for controlling presses |
| 06/20/1997 | CA2193168A1 Control device for a two-hand control means for controlling presses, for instance |
| 05/28/1997 | EP0775836A2 Apparatus for controlling selectively engageable detents in a pilot controller |
| 05/14/1997 | EP0773370A1 Hydraulic controller |
| 05/02/1997 | EP0770805A2 Rupture disk apparatus and methods |
| 04/25/1997 | CA2188229A1 Rupture disk apparatus and methods |
| 04/23/1997 | CN1148108A Method and device for inspecting pneumatic twisting device |
| 04/16/1997 | CN1147847A Hydraulic controller |
| 04/01/1997 | US5617338 Method of and system for electrically processing vacuum pressure information suitable for use in vacuum unit |
| 03/27/1997 | DE19534053A1 Hydraulic circuit protection equipment |
| 03/20/1997 | DE19534114A1 Method for testing automatic thread processing machine |
| 03/18/1997 | US5611199 Two stage electrohydraulic pressure control valve |
| 03/13/1997 | WO1997009553A1 Dual pilot manifold assembly for a safety relief valve |
| 03/13/1997 | DE19532962A1 Hydraulic overload control valve, esp. on presses |
| 02/06/1997 | WO1997004253A1 Safety circuit |
| 01/23/1997 | DE19526754A1 Sicherheitsschaltung Safety circuit |
| 01/07/1997 | US5590685 High-low indicator |
| 01/07/1997 | US5590684 Dual pilot manifold assembly for a safety relief valve |
| 12/19/1996 | DE19619860A1 Injection piston movement control |
| 12/18/1996 | EP0748437A1 Apparatus and method for detecting leak in hydraulic system |
| 11/26/1996 | US5577532 Valve actuator |
| 11/12/1996 | US5572918 Multi-functional valve |
| 11/07/1996 | WO1996035077A1 Safety device for an electro-hydraulic drive unit |
| 10/31/1996 | DE19515884A1 Einrichtung zur Sicherung einer elektrohydraulischen Antriebseinheit Means for securing an electro-hydraulic drive unit |
| 10/30/1996 | EP0739437A1 Device and method for controlling attachment of construction machine |
| 10/10/1996 | DE19613988A1 Connecting block esp. for hydraulic braking system in vehicle trailer |
| 09/12/1996 | WO1996027741A1 Hydraulic controller |
| 08/28/1996 | EP0727977A1 Hydraulic system for the hydraulic operation of an ambulance lifting platform |
| 07/16/1996 | US5535622 Brake performance monitoring |
| 06/19/1996 | EP0717201A2 Protection system in a pressure installation |
| 05/23/1996 | WO1996015326A1 Device and method for controlling attachment of construction machine |
| 05/08/1996 | CN1121987A Pneumatic control circuit |
| 04/25/1996 | DE4438771A1 Automatic switch-off system for hydraulic load with occurrence of leakage |
| 04/23/1996 | US5510987 Shock prevention apparatus for hydraulic/air-pressure equipment and method thereof |
| 04/11/1996 | WO1996010698A1 Device for driving a hydraulically controlled main valve |
| 04/04/1996 | DE4435339A1 Anordnung zur Ansteuerung eines hydraulisch betätigbaren Hauptventils Arrangement for controlling a hydraulically operated main valve |
| 03/27/1996 | EP0702756A1 Safety arrangement on hydraulic piston-cylinder units |
| 03/14/1996 | DE19531867A1 Hydraulic control system for fire department manager |
| 03/12/1996 | US5497805 Drive control system for hydraulic machine |
| 03/01/1996 | CA2131045A1 High-low indicator |
| 02/07/1996 | EP0695876A2 Pneumatic control circuit |
| 01/25/1996 | WO1996001954A1 Control circuit |
| 01/09/1996 | CA2108051C Hydraulic pipeline valve operating system |
| 12/14/1995 | WO1995033929A1 Regulation process and electrohydraulic regulation system for a consumer in a machine |
| 12/13/1995 | EP0686776A1 Multi-function valve |
| 12/13/1995 | CN1030515C Energy saving and monitoring pneumatic control valve system |
| 12/06/1995 | EP0685654A2 Brake performance monitoring |
| 12/02/1995 | CA2150599A1 Spring applied safety device |
| 11/30/1995 | DE4420166C1 Regelungsverfahren und elektrohydraulisches Regelsystem für einen Verbraucher eines Arbeitsgeräts Control method and electro-hydraulic control system for a consumer of an implement |
| 11/29/1995 | EP0684392A1 Safety valve |
| 11/28/1995 | US5469703 Device for controlling a hydraulic motor |
| 10/31/1995 | US5461903 Apparatus and method for detecting leak in hydraulic system |
| 10/05/1995 | DE4440310A1 Shock preventer for machines with hydraulic and/or pneumatic drives |