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Erich Hoffmann

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  • Bergisch Gladbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot beverage machine with thick film electric heater
    • Patent number 4,888,465
    • Issue date Dec 19, 1989
    • Robert Krups Stiftung & Co. KG
    • Erich Hoffmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Machine for making hot tea
    • Patent number 4,888,466
    • Issue date Dec 19, 1989
    • Robert Krups Stiftung & Co. KG
    • Erich Hoffmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Machine for making coffee and other hot beverages
    • Patent number 4,888,467
    • Issue date Dec 19, 1989
    • Robert Krups Stiftung & Co., KG.
    • Erich Hoffmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric toaster
    • Patent number 4,791,862
    • Issue date Dec 20, 1988
    • Robert Krups Stiftung & Co. KG
    • Erich Hoffmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...