TREA

Christoph Pietzsch

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  • Lengenfeld, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge assembly for vehicle tracks and the like
    • Patent number 6,450,594
    • Issue date Sep 17, 2002
    • Intertractor GmbH
    • Michael Ketting
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Track link for tracked crawlers
    • Patent number RE37254
    • Issue date Jul 3, 2001
    • Intertractor Zweigniederlassung Der Wirtgen GmbH
    • Michael Ketting
    • 305 - Wheel substitutes for land vehicles
  • Information Patent Grant

    Chain link for a traction chain
    • Patent number 5,704,697
    • Issue date Jan 6, 1998
    • Intertractor Aktiengesellschaft
    • Michael Ketting
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL