TREA

Hartwig Zenker

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  • Lauchheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bucket conveyor
    • Patent number 5,626,220
    • Issue date May 6, 1997
    • RUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
    • Otto E. Rieger
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Arrangement for fastening a structural part to a round steel chain
    • Patent number 4,320,620
    • Issue date Mar 23, 1982
    • RUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
    • Werner Rieger
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL