| Patents for F15B 9 - Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member (1,862) |
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| 04/16/1986 | EP0177876A1 Linear drive |
| 04/15/1986 | CA1203145A1 Control actuation system including staged direct drive valve with fault control |
| 04/09/1986 | EP0177481A1 Regulating method for a fluid cylinder |
| 03/18/1986 | CA1202100A1 Electrohydraulic valve system |
| 03/11/1986 | US4574687 Apparatus for positioning an adjusting member |
| 03/05/1986 | EP0173463A1 Fluid powered actuator system |
| 02/25/1986 | US4572054 Exact position feedback of double-acting power piston in hydraulic cylinders |
| 02/19/1986 | EP0172150A1 An electro-hydraulic set device |
| 02/19/1986 | EP0171998A1 Servo apparatus |
| 02/19/1986 | EP0171430A1 Load dynamics compensation circuit for servohydraulic control systems |
| 02/05/1986 | EP0170462A1 Hydraulic servomechanism |
| 01/28/1986 | US4566272 Hydraulic control apparatus for a servo-motor, particularly for vehicle steering |
| 01/08/1986 | EP0166985A1 Pneumatic power booster, particularly for brake installations of motor vehicles |
| 01/07/1986 | CA1198965A1 Hydraulic control apparatus for a servo-motor particularly for vehicle steerings |
| 12/31/1985 | US4561628 Electromagnetically operated hydraulic actuator |
| 12/27/1985 | EP0051591B1 Electrohydraulic set device |
| 12/20/1985 | CN85100827A Hydraulic system with fixed-displacement pump |
| 12/19/1985 | WO1985005601A1 Pneumatic power amplifier |
| 12/11/1985 | EP0079907B1 Shearing tool |
| 12/10/1985 | US4557676 Hydrostatic control device, particularly steering device |
| 12/10/1985 | US4557180 Control valve and hydraulic system employing same |
| 10/22/1985 | US4548035 Hydraulic control apparatus for a servomotor |
| 10/22/1985 | CA1195589A1 Hydraulic drive system for digging machines |
| 10/16/1985 | EP0158552A1 Vacuum power-assisted brake servo |
| 10/09/1985 | EP0157116A1 A servo booster mechanism |
| 10/01/1985 | US4543874 Electrohydraulic set device |
| 09/24/1985 | CA1193972A1 Fluid flow control apparatus |
| 09/17/1985 | US4541324 Vacuum actuator with fail-safe system |
| 09/17/1985 | CA1193516A1 Power transmission |
| 09/10/1985 | US4539891 Servo booster mechanism |
| 09/03/1985 | US4538504 Fail-safe servovalve system |
| 08/27/1985 | US4537077 Load dynamics compensation circuit for servohydraulic control systems |
| 08/20/1985 | US4535678 Hydraulic control apparatus for a servo-motor, particularly for vehicle steering |
| 08/15/1985 | WO1985003573A1 Load dynamics compensation circuit for servohydraulic control systems |
| 07/30/1985 | US4531448 Balanced output hydraulic actuator system |
| 07/30/1985 | CA1191073A1 Power transmission |
| 07/23/1985 | US4531082 Control system for positioning implements |
| 07/23/1985 | US4530487 Direct drive servovalve and fuel control system incorporating same |
| 06/19/1985 | EP0144439A1 Fluid servo actuator |
| 06/11/1985 | US4522175 Rotational speed control apparatus for internal combustion engines |
| 06/05/1985 | EP0143740A1 process and device for small-sized control of the work stations of an automatic machine tool |
| 05/28/1985 | US4519294 Power assistance control device |
| 05/22/1985 | EP0035532B1 Electronic compensator for a pneumatic servo controlled load bearing bellows system |
| 05/07/1985 | US4515065 Automatic centering servo actuator |
| 04/30/1985 | US4513826 Hydraulic control arrangement for actuating lifting mechanism of an agricultural machine |
| 04/30/1985 | US4513782 Electrohydraulic servovalve device |
| 04/17/1985 | EP0137052A1 Checking device for duplicated flight controls |
| 04/16/1985 | US4510847 Apparatus for adjusting the position of an adjustable element |
| 04/16/1985 | CA1185679A1 Electrohydraulic servovalve device |
| 04/09/1985 | US4509404 Master/slave fluid pressure apparatus |
| 04/09/1985 | US4509403 Positioner having user-adjustable dynamic response |
| 04/03/1985 | EP0136005A1 Servo actuator control/damping mechanism |
| 02/19/1985 | CA1182717A1 Electrically controllable valve assembly |
| 02/12/1985 | CA1182381A1 Streamlined multi-axis robot wrist assembly with partially enclosed hydraulic and electrical lines to minimize the wrist envelope |
| 01/23/1985 | EP0132199A1 Hydraulic distributor for the control of an aircraft |
| 01/08/1985 | CA1180639A1 Magnetically controlled fluid pressure device |
| 12/06/1984 | WO1984004784A1 Fluid servo actuator |
| 11/13/1984 | US4481768 Pneumatic control system for machines |
| 11/06/1984 | US4480438 Power transmission |
| 10/23/1984 | US4478245 Electrically controllable valve assembly |
| 10/23/1984 | US4478129 Apparatus for the exact position feedback of a double-acting power piston in a hydraulic power cylinder |
| 10/17/1984 | EP0121932A2 Rotation speed control apparatus for internal combustion engines |
| 10/17/1984 | EP0047241B1 Hydraulic servo steering system |
| 10/09/1984 | US4475441 Electrohydraulic set device |
| 10/09/1984 | CA1175733A1 Electrohydraulic set device |
| 10/03/1984 | EP0120057A1 Pneumatic amplifier |
| 09/11/1984 | US4470432 Distributor for a hydraulic servo mechanism |
| 08/15/1984 | EP0115925A1 Control actuation system including staged direct drive valve with fault control |
| 08/14/1984 | US4464977 Fluid pressure device |
| 08/14/1984 | US4464976 Two-stage pneumatic servomotor |
| 08/08/1984 | EP0115008A2 Positioning control system for a fluid powered cylinder |
| 07/31/1984 | US4462579 Tilting rotary table device |
| 07/18/1984 | EP0113621A1 Electro-mechanical control of a spool valve |
| 06/26/1984 | US4456031 Electro-hydraulic servo valve system |
| 06/20/1984 | EP0111049A1 Device for the adjustment of blades of variable pitch |
| 05/30/1984 | EP0109733A2 Power assistance device |
| 05/29/1984 | US4450753 Electro-hydraulic proportional actuator |
| 05/22/1984 | US4449442 Hydraulic valve control and feedback utilizing a harmonic drive differential |
| 05/02/1984 | EP0106947A1 Double acting ram |
| 05/01/1984 | US4445420 Power boost mechanism |
| 05/01/1984 | CA1166718A1 Control system for doser actuator |
| 04/24/1984 | US4444090 Governing means for a hydraulic actuator |
| 04/24/1984 | CA1166097A1 Power assist device for control system |
| 04/12/1984 | WO1984001409A1 Pneumatic amplifier |
| 03/20/1984 | US4437385 Electrohydraulic valve system |
| 03/14/1984 | EP0102684A1 Fluid actuator with feedback mechanism |
| 03/06/1984 | CA1163348A1 Control system for doser actuator |
| 02/21/1984 | US4432270 Hydrostatic control device particularly a steering device |
| 01/31/1984 | CA1161337A1 Steering system |
| 01/24/1984 | US4426912 Apparatus for the continuous adjustment of a jack piston stroke |
| 01/11/1984 | EP0098083A1 Servo positioning valve |
| 12/28/1983 | EP0097007A2 A hydraulic control system |
| 12/13/1983 | US4420014 Pressure regulator for a fluid motor |
| 12/13/1983 | CA1158492A1 Balanced pivoted vane valve |
| 12/06/1983 | US4418610 Electrohydraulic control system |
| 11/09/1983 | EP0093348A2 Electro-hydraulic servo valve system |
| 11/08/1983 | US4413962 Torque-amplifying servo-mechanism with compact structure for power steering systems |
| 11/08/1983 | US4413547 Servo-control device for aircraft flight control |
| 11/02/1983 | EP0093106A2 Positioner having user-adjustable dynamic response |
| 10/25/1983 | CA1155771A1 Hydrostatic adjustment device, more particularly a steering mechanism for motor-vehicles |