TREA

Rudolf Schaefer

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  • 4100 Duisburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clamp joint for pipes
    • Patent number 4,436,327
    • Issue date Mar 13, 1984
    • Rudolf Schaefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Body assembly
    • Patent number 4,376,593
    • Issue date Mar 15, 1983
    • Rudolf Schaefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hollow body assemblies
    • Patent number 4,325,414
    • Issue date Apr 20, 1982
    • Rudolf Schaefer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Refrigerating or warming cabinet
    • Patent number 4,324,445
    • Issue date Apr 13, 1982
    • Rudolf Schaefer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Assembly of wall elements
    • Patent number 4,270,324
    • Issue date Jun 2, 1981
    • Rudolf Schaefer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL