using radioactive radiation

Patents Grantslast 30 patents

  • Information Patent Grant

    Simultaneous fluid flow and fluid density measurements using rotame...

    • Patent number 5,045,692
    • Issue date Sep 3, 1991
    • Halliburton Logging Services, Inc.
    • Dan M. Arnold
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3111581

    • Patent number 3,111,581
    • Issue date Nov 19, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2933601

    • Patent number 2,933,601
    • Issue date Apr 19, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2456233

    • Patent number 2,456,233
    • Issue date Dec 14, 1948
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents