| 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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| 10/03/1979 | EP0004354A1 Hydraulic positioning device with a feedback arrangement |
| 09/18/1979 | US4167893 Load sensing valve |
| 08/14/1979 | US4164167 Hydraulic servomechanism |
| 08/14/1979 | CA1060331A1 Hydraulic suspension seat assembly |
| 07/31/1979 | CA1059440A1 Controller for fluid pressure operated devices |
| 07/24/1979 | US4161905 Hydraulic servomechanism |
| 05/22/1979 | US4155288 Control system for a fluid pressure operated actuator arrangement |
| 05/08/1979 | US4152971 Fluidic repeater |
| 02/06/1979 | US4137825 Fluidic repeater |
| 01/09/1979 | US4133250 Combined feedback control system |
| 01/09/1979 | CA1045980A1 Fluidic repeater |
| 01/02/1979 | US4132152 Closed loop electro-fluidic control system |
| 12/26/1978 | CA1044992A1 Variable feedback steering system |
| 12/19/1978 | CA1044564A1 Remote control system controlled by a fluid pressure |
| 12/05/1978 | US4128044 Method of controlling apparatus and servoactuator therefor |
| 10/10/1978 | CA1040023A1 Pneumatic function generator assembly |
| 09/26/1978 | US4116112 Fluidic amplifier |
| 08/29/1978 | CA1037356A1 Controller for fluid pressure operated devices |
| 08/22/1978 | CA1036903A1 Fluid pressure servocylinder |
| 08/15/1978 | US4106390 Pneumatic linear actuator |
| 06/13/1978 | US4094229 Fluidic repeater |
| 05/30/1978 | US4091716 Fluidic servo-system and method |
| 05/23/1978 | US4090429 Fail-safe fluid control valve |
| 05/16/1978 | US4089252 Proportional force amplifier |
| 03/28/1978 | US4080873 Servoactuator |
| 02/28/1978 | US4075930 Pneumatic actuator system and method |
| 01/24/1978 | US4069746 Control arrangement for a hydraulic power transmission |
| 01/03/1978 | US4066002 Fluid pressure operated rotary stepper actuator |
| 10/04/1977 | US4051766 Arrangement for steering-power limitation in hydraulic servo-steering systems |
| 10/04/1977 | US4051765 Electric-hydraulic pulse motor having an improved rotary guide valve means |
| 09/27/1977 | US4050247 Control valve for variable displacement pump or motor |
| 09/06/1977 | US4046059 Fluidic repeater |
| 08/30/1977 | US4044652 Electrohydraulic proportional actuator apparatus |
| 08/30/1977 | US4044651 Pneumatic function generator assembly |
| 07/05/1977 | US4033233 Fluid pressure operable servo positioner |
| 06/28/1977 | US4031811 Electro-hydraulic pulse motor |
| 05/31/1977 | US4026194 Remote control system controlled by a fluid pressure |
| 03/15/1977 | US4011891 Proportional flow control valve |
| 02/15/1977 | US4007666 Servoactuator |
| 02/08/1977 | US4007361 Adaptive control system using position feedback |
| 01/18/1977 | US4003202 Variable feedback steering system |
| 11/23/1976 | US3993418 Fluid-pressure operated actuator with follow-up transmission |
| 11/09/1976 | US3990668 Hydraulic suspension seat assembly |
| 11/02/1976 | US3988966 Fluidic repeater |
| 09/07/1976 | US3978879 Control means for hydrostatic steering systems and the like |
| 08/31/1976 | US3977300 Actuator with feedback |
| 08/17/1976 | US3974715 Null and gain adjustment mechanism for hydrostatic pumps and motors |
| 08/03/1976 | US3972503 Servo pressure operated piston arrangements |
| 07/20/1976 | US3970165 Power assisted steering system |
| 07/06/1976 | US3967537 Pressure medium control device |
| 07/06/1976 | US3967533 Servo valve control apparatus |
| 06/08/1976 | US3961561 Proportional force amplifier |
| 05/25/1976 | US3958492 Electrically compensated electrohydraulic servo system with position related feedback loop |
| 05/18/1976 | US3956971 Stabilized hydromechanical servo system |
| 05/04/1976 | US3954149 Hydraulic pressure fluid control system for controlling the displacements of a double-acting servo-motor |
| 05/04/1976 | US3954045 Rotary actuator valve |
| 04/27/1976 | US3952631 Pressure medium control device |
| 04/13/1976 | US3949649 Adjusting apparatus for hydraulic pumps or motors |
| 04/13/1976 | US3949553 Hydraulic step-motor |
| 03/16/1976 | US3943824 Hydraulic system |
| 03/16/1976 | US3943715 Servo mechanism |
| 02/24/1976 | US3939756 Rotary type hydraulic servo-mechanism |