TREA

Werner Boer

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  • Castrop-Rauxel, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scraper chain conveyor
    • Patent number 4,332,317
    • Issue date Jun 1, 1982
    • Kloeckner-Werke AG
    • Karl Bahre
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Mine roof support structure
    • Patent number 4,293,246
    • Issue date Oct 6, 1981
    • Klockner-Werke AG
    • Werner Boer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Connecting bolt and coupling element
    • Patent number 4,278,005
    • Issue date Jul 14, 1981
    • Klockner-Werke Aktiengesellschaft
    • Hans Lachner
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS