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Patents Grantslast 30 patents

  • Information Patent Grant

    Gearbox assembly for a twin-screw extruder, treatment installation...

    • Patent number 10,234,013
    • Issue date Mar 19, 2019
    • Coperion GmbH
    • Bernhard Wengert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2837763

    • Patent number 2,837,763
    • Issue date Jun 10, 1958
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2565565

    • Patent number 2,565,565
    • Issue date Aug 28, 1951
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2111693

    • Patent number 2,111,693
    • Issue date Mar 22, 1938
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1469658

    • Patent number 1,469,658
    • Issue date Oct 2, 1923
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1342114

    • Patent number 1,342,114
    • Issue date Jun 1, 1920
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL