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Hanspeter Schaffner

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  • Niederuzwil, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Press roller adjustment
    • Patent number 4,861,529
    • Issue date Aug 29, 1989
    • Buhler; Gebruder
    • Werner Groebli
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pellet mill
    • Patent number 4,770,621
    • Issue date Sep 13, 1988
    • Gebruder Buhler AG
    • Werner Groebli
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pellet mill
    • Patent number 4,711,622
    • Issue date Dec 8, 1987
    • Gebruder Buhler AG
    • Hanspeter Schaffner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL