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Dieter Elser

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  • Essingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydropneumatic suspension system
    • Patent number 6,669,216
    • Issue date Dec 30, 2003
    • ZF Lenksysteme GmbH
    • Dieter Elser
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power-assisted steering with hydraulic power assistance
    • Patent number 6,474,437
    • Issue date Nov 5, 2002
    • ZF Lenksysteme GmbH
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Multiway turning valve
    • Patent number 6,450,201
    • Issue date Sep 17, 2002
    • ZF Lenksysteme GmbH
    • Dieter Elser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuator
    • Patent number 6,328,323
    • Issue date Dec 11, 2001
    • ZF Friedrichshafen AG
    • Dieter Elser
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power steering with hydraulic power assistance
    • Patent number 6,230,839
    • Issue date May 15, 2001
    • ZF Friedrichshafen AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Multi-axle steering system for vehicles
    • Patent number 5,839,527
    • Issue date Nov 24, 1998
    • ZF Friedrichshafen AG
    • Dieter Elser
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Vehicle with steerable front and rear wheels
    • Patent number 5,799,259
    • Issue date Aug 25, 1998
    • ZF Friedrichshafen AG
    • Klaus Rief
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic auxiliary power steering
    • Patent number 5,322,142
    • Issue date Jun 21, 1994
    • ZF Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering gear, especially for motor vehicles
    • Patent number 5,138,896
    • Issue date Aug 18, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Auxiliary power steering system, especially for motor vehicles
    • Patent number 5,139,106
    • Issue date Aug 18, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rotary gate valve for hydraulic servo-assisted steering systems
    • Patent number 5,107,752
    • Issue date Apr 28, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Multi-axle steering system
    • Patent number 5,099,939
    • Issue date Mar 31, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic auxiliary-power steering device
    • Patent number 5,086,864
    • Issue date Feb 11, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rotary slide valve for hydraulic auxiliary power steering
    • Patent number 5,086,687
    • Issue date Feb 11, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Servo-assisted steering system for motor vechicles
    • Patent number 5,080,186
    • Issue date Jan 14, 1992
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rotary slide valve for hydraulic auxiliary power steerings
    • Patent number 4,848,402
    • Issue date Jul 18, 1989
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power steering for motor vehicles
    • Patent number 4,819,757
    • Issue date Apr 11, 1989
    • Zahnradfabrik Friedrichshafen AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering gear
    • Patent number 4,614,127
    • Issue date Sep 30, 1986
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steering gear with auxiliary power support
    • Patent number 4,483,237
    • Issue date Nov 20, 1984
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power booster unit
    • Patent number 4,442,759
    • Issue date Apr 17, 1984
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power steering system for motor vehicles
    • Patent number 4,421,011
    • Issue date Dec 20, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering gear for motor vehicles
    • Patent number 4,421,010
    • Issue date Dec 20, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering booster system
    • Patent number 4,417,501
    • Issue date Nov 29, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Auxiliary steering for motor vehicles
    • Patent number 4,373,598
    • Issue date Feb 15, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Auxiliary power steering for motor vehicles
    • Patent number 4,368,794
    • Issue date Jan 18, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Auxiliary power steering, especially for motor vehicles
    • Patent number 4,367,672
    • Issue date Jan 11, 1983
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Pressure medium control system for auxiliary power steering systems
    • Patent number 4,285,366
    • Issue date Aug 25, 1981
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Servo steering gear
    • Patent number 4,285,266
    • Issue date Aug 25, 1981
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Auxiliary power steering system with relief valve control
    • Patent number 4,261,248
    • Issue date Apr 14, 1981
    • Zahnradfabrik Friedrichshafen, AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Steering control valve for power booster steering mechanisms
    • Patent number 4,232,586
    • Issue date Nov 11, 1980
    • Zahnradfabrik Friedrichshafen AG
    • Dieter Elser
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS