for welds

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for monitoring the tightness of sealing components

    • Patent number 11,892,374
    • Issue date Feb 6, 2024
    • Gaztransport et Technigaz
    • Pierre Jolivet
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process and apparatus for testing the tightness of seam joints of s...

    • Patent number 4,002,055
    • Issue date Jan 11, 1977
    • Dynamit Nobel Aktiengesellschaft
    • Friedrich Kops
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3813921

    • Patent number 3,813,921
    • Issue date Jun 4, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2679747

    • Patent number 2,679,747
    • Issue date Jun 1, 1954
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2660053

    • Patent number 2,660,053
    • Issue date Nov 24, 1953
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2108176

    • Patent number 2,108,176
    • Issue date Feb 15, 1938
    • G01 - MEASURING TESTING