detected by a counter tube

Patents Grantslast 30 patents

  • Information Patent Grant

    System and process for measuring and correcting the values of a par...

    • Patent number 4,678,915
    • Issue date Jul 7, 1987
    • Measurex Corporation
    • John Dahlquist
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Bit pressure gauge for well drilling

    • Patent number 4,296,321
    • Issue date Oct 20, 1981
    • Tyco Laboratories
    • Donald W. Blincow
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3028498

    • Patent number 3,028,498
    • Issue date Apr 3, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2933607

    • Patent number 2,933,607
    • Issue date Apr 19, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2906878

    • Patent number 2,906,878
    • Issue date Sep 29, 1959
    • G01 - MEASURING TESTING