Safety devices

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and device for treating viscous, paste-like materials

    • Patent number 10,442,113
    • Issue date Oct 15, 2019
    • List Technology AG
    • Martin Althaus
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for treating a mixture

    • Patent number 9,657,412
    • Issue date May 23, 2017
    • List Technology AG
    • Daniel Witte
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Safety device for a roll space of a calender or similar roll machine

    • Patent number 5,439,366
    • Issue date Aug 8, 1995
    • Kleinewefers GmbH
    • Hans-Rolf Conrad
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3382529

    • Patent number 3,382,529
    • Issue date May 14, 1968
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2686930

    • Patent number 2,686,930
    • Issue date Aug 24, 1954
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2450760

    • Patent number 2,450,760
    • Issue date Oct 5, 1948
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1646980

    • Patent number 1,646,980
    • Issue date Oct 25, 1927
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1540010

    • Patent number 1,540,010
    • Issue date Jun 2, 1925
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1477840

    • Patent number 1,477,840
    • Issue date Dec 18, 1923
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL