| Patents for B62D 5 - Power-assisted or power-driven steering (23,389) |
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| 04/05/1990 | DE3843893A1 Hydraulic servopower steering system for motor vehicles |
| 04/04/1990 | EP0361726A2 Motorized power steering apparatus |
| 04/04/1990 | EP0361725A1 Motorized power steering apparatus |
| 04/04/1990 | EP0361699A2 A power assisted vehicle steering system |
| 04/04/1990 | EP0360865A1 Hydraulic steering apparatus |
| 04/03/1990 | US4914389 Multiturn shaft position sensor with backlash compensation |
| 04/03/1990 | US4913249 Auxiliary power steering mechanism, especially for motor vehicles |
| 03/28/1990 | EP0360474A1 Motorized power steering apparatus |
| 03/28/1990 | EP0360470A1 Motorized power steering apparatus |
| 03/28/1990 | EP0360469A2 Motorized power steering apparatus |
| 03/22/1990 | WO1990002679A1 Power-assisted steering, in particular for motor vehicles |
| 03/22/1990 | DE3930541A1 Rotary slide valve for power assisted steering - uses colf formed conically shaped control edges |
| 03/20/1990 | US4909343 Electric power steering system |
| 03/15/1990 | DE3929572A1 Actuating rod for power assisted steering - has non-return valves which allow oil to flow into pressure chambers but not in reverse direction |
| 03/14/1990 | EP0358111A1 Motor-driven power steering control apparatus |
| 03/13/1990 | US4907668 Steering torque detecting apparatus |
| 03/13/1990 | US4907461 Torque sensor |
| 03/08/1990 | WO1990002071A1 Servo-assisted steering system |
| 03/08/1990 | WO1990002070A1 Servo-assisted steering system |
| 03/07/1990 | EP0356456A1 Steering shaft with power-assisted steering. |
| 03/07/1990 | EP0244449B1 Centering device for two assemblies provided with counter-rotating parts |
| 03/06/1990 | US4905784 Power-assisted steering system for automotive vehicle |
| 03/06/1990 | US4905782 Steering valve for vehicles |
| 03/06/1990 | US4905524 Measuring device for detecting a differential angle of rotation or differential torque of a rorsionally stressed machine part |
| 03/01/1990 | DE3927785A1 Servo steering for vehicle - has pressure medium flow distribution via valve and pressure impulse produced in separate pressure valve |
| 03/01/1990 | DE3927784A1 Servo steering for vehicle - has pressure produced by steering gear-driven slide valve edge closure amplified and transmitted via distribution valve to actuator |
| 02/28/1990 | EP0356408A2 A hydraulic steering system for electrically driven motor vehicles |
| 02/27/1990 | US4903789 Power steering apparatus |
| 02/22/1990 | WO1990001640A1 Friction clutch |
| 02/22/1990 | DE3827880A1 Servocontrol, in particular car steering system for motor vehicles |
| 02/20/1990 | US4901831 Clutch |
| 02/15/1990 | DE3925214A1 Torque amplifier for servo-steering in vehicle - has servo-motor driving amplifier shaft and friction coupling linking amplifier shaft to input-output shaft unit |
| 02/15/1990 | DE3827039A1 Device for changing the wheel setting of the wheels of motor vehicles |
| 02/13/1990 | CA1265751A1 Motor-driven power steering device |
| 02/08/1990 | DE3826164A1 Hydraulik-steuerschaltung fuer ein kraftfahrzeug zur vorrangigen versorgung eines oder mehrerer verbraucher Hydraulic control circuit for a motor vehicle to the priority supply of one or more consumer |
| 02/07/1990 | EP0353656A2 Electric power steering system |
| 02/07/1990 | EP0353458A2 Pressure responsive and electrically controllable flow control apparatus |
| 02/07/1990 | EP0309460B1 Auxiliary power steering for motor vehicles |
| 02/06/1990 | US4898258 Electric power steering apparatus |
| 02/06/1990 | US4898074 Servo-valve arrangement for power steering |
| 02/06/1990 | US4898043 Variable ratio steering mechanism |
| 02/01/1990 | DE3923654A1 Motorsteueranordnung fuer elektrische servolenkeinrichtungen Motor control arrangement for electric power steering devices |
| 01/31/1990 | EP0353125A1 Double control device for a hydraulic circuit, especially for a brake system or power steering of an automotive vehicle |
| 01/31/1990 | EP0352759A2 Control system for actuators in a motor vehicle |
| 01/31/1990 | EP0352467A2 Power assisted steering for vehicles |
| 01/31/1990 | EP0289518B1 Measurement system for determining the differential rotation angle or differential torque of a machine part subjected to torsion |
| 01/30/1990 | US4896735 Electric motor assisted power steering device |
| 01/25/1990 | DE3824424A1 Power assisted steering for vehicles |
| 01/24/1990 | EP0351763A2 Vehicle steering system with flow dividing valve |
| 01/23/1990 | US4895216 Electrically driven power steering apparatus |
| 01/23/1990 | US4895037 Rack and pinion steering apparatus |
| 01/17/1990 | EP0351087A2 Unitized electric power steering apparatus |
| 01/17/1990 | EP0350818A2 Power steering apparatus and rotary detector used therefor |
| 01/17/1990 | EP0350817A2 Motor-driven power steering apparatus |
| 01/17/1990 | EP0350809A2 Steered axle regulating |
| 01/16/1990 | US4893688 Electric rear wheel steering apparatus |
| 01/11/1990 | WO1990000130A1 Device for producing a preferably controllable axial counterforce on a rotating shaft which can be displaced axially by an axial force |
| 01/10/1990 | EP0350423A2 Mechanism for improved assisted-steering for motor vehicles |
| 01/09/1990 | US4893239 Device for detecting driving condition for automobile |
| 01/09/1990 | CA1264270A1 Control device for hydrostatic steering means |
| 01/09/1990 | CA1264269A1 Control device for hydrostatic power assisted steering |
| 01/03/1990 | EP0349116A2 Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering apparatus |
| 01/03/1990 | EP0348798A1 Method of making a valve sleeve |
| 01/02/1990 | US4890683 Power steering apparatus |
| 12/28/1989 | WO1989012568A1 All-wheel steering system for motor vehicles |
| 12/28/1989 | WO1989012567A1 Servo-assisted steering system for motor vehicles |
| 12/28/1989 | DE3821415A1 Hydraulic control circuit for a trailer brake valve |
| 12/21/1989 | DE3918987A1 Power steering system for motor vehicles |
| 12/20/1989 | EP0347059A2 A power assisted vehicle steering system and gear and power assistance means for such a gear |
| 12/20/1989 | EP0346352A1 Hydraulic device with regulable pump. |
| 12/19/1989 | US4887683 Rack and pinion steering gear with intermediate take-off |
| 12/19/1989 | US4887682 Method and apparatus for nullifying electrical offsets in a torsion sensor |
| 12/14/1989 | DE3820068A1 Hydrostatic control device, in particular for the steering of vehicles |
| 12/13/1989 | EP0345901A1 A method of, and a device for, controlling the rotation of an element about an axis by means of a wrap spring |
| 12/13/1989 | EP0248034B1 Electric steering gear |
| 12/12/1989 | US4886136 Motor-driven type power assisted steering control apparatus |
| 12/05/1989 | US4884648 Variable assist power steering system with varying power assist characteristic |
| 12/05/1989 | CA1263609A1 Flow amplifying steering system |
| 11/30/1989 | WO1989011411A1 Hydraulic circuit device of construction vehicle |
| 11/30/1989 | DE3915782A1 Steering valve |
| 11/29/1989 | EP0343693A2 Motor-driven power steering system for a vehicle |
| 11/23/1989 | EP0342848A2 Power assistance for vehicle steering mechanisms |
| 11/23/1989 | DE3830654A1 Differential-action steering system |
| 11/23/1989 | DE3815968A1 Control arrangement for a double-acting working cylinder |
| 11/21/1989 | US4882693 Automotive system for dynamically determining road adhesion |
| 11/21/1989 | US4882586 Analog-to-digital converter |
| 11/21/1989 | US4881613 Four-wheel steering apparatus for vehicle |
| 11/21/1989 | US4881612 Steering apparatus for a vehicle |
| 11/21/1989 | US4881611 Abnormality detector for motor assisted steering apparatus |
| 11/21/1989 | US4881414 Torque detection apparatus |
| 11/16/1989 | DE3814845A1 Apparatus for determining the position of a movable device |
| 11/15/1989 | EP0341833A2 A power assisted steering system for a motor vehicle and control means therefor |
| 11/15/1989 | EP0341495A1 Motor-driven power assisted steering control apparatus |
| 11/14/1989 | US4880074 Steering system for a motor vehicle |
| 11/14/1989 | US4880073 Four-wheel steering system of a motor vehicle |
| 11/14/1989 | US4879944 Hydraulic control valve |
| 11/14/1989 | CA1262952A1 Electric steering gear |
| 11/14/1989 | CA1262951A1 Electric steering gear |
| 11/09/1989 | DE3913809A1 Kleinwinkel-lenkeinrichtung Small-angle deflection device |
| 11/09/1989 | DE3913486A1 Control device for a power steering system |