TREA

of helical formation

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  • CPC
  • G01K5/40
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Parent Industries

GPHYSICS G01Measuring instruments G01KMEASURING TEMPERATURE MEASURING QUANTITY OF HEAT THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR G01K5/00Measuring temperature based on the expansion or contraction of a material

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G01K5/40of helical formation
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Patents Grantslast 30 patents

  • Information Patent Grant

    2038768
    • Patent number 2,038,768
    • Issue date Apr 28, 1936
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1982300
    • Patent number 1,982,300
    • Issue date Nov 27, 1934
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1691135
    • Patent number 1,691,135
    • Issue date Nov 13, 1928
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1685193
    • Patent number 1,685,193
    • Issue date Sep 25, 1928
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1521343
    • Patent number 1,521,343
    • Issue date Dec 30, 1924
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1477666
    • Patent number 1,477,666
    • Issue date Dec 18, 1923
    • G01 - MEASURING TESTING