TREA

Helmut Bentz

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  • Dortmund, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Track assembly
    • Patent number 5,409,306
    • Issue date Apr 25, 1995
    • Caterpillar Inc.
    • Helmut Bentz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Arrangement for connecting and moving the plates of a caterpillar t...
    • Patent number 5,016,945
    • Issue date May 21, 1991
    • O & K Orenstein & Koppel Aktiengesellschaft
    • Helmut Bentz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Tread plate with grousers having curved regions
    • Patent number 4,600,246
    • Issue date Jul 15, 1986
    • O & K Orenstein & Koppel Aktiengesellschaft
    • Helmut Bentz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Endless track traveling mechanism
    • Patent number 4,176,887
    • Issue date Dec 4, 1979
    • O & K Orenstein & Koppel Aktiengesellschaft
    • Gunther Alpers
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS