TREA

using limit or visibility or extinction effect

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  • CPC
  • G01J1/40
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GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J1/00Photometry

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G01J1/40using limit or visibility or extinction effect
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Patents Grantslast 30 patents

  • Information Patent Grant

    Visibility gauge
    • Patent number 4,564,274
    • Issue date Jan 14, 1986
    • The Commonwealth of Australia
    • Barry A. Clark
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3856418
    • Patent number 3,856,418
    • Issue date Dec 24, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3387530
    • Patent number 3,387,530
    • Issue date Jun 11, 1968
    • G02 - OPTICS
  • Information Patent Grant

    2333759
    • Patent number 2,333,759
    • Issue date Nov 9, 1943
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2234336
    • Patent number 2,234,336
    • Issue date Mar 11, 1941
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2229276
    • Patent number 2,229,276
    • Issue date Jan 21, 1941
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2205312
    • Patent number 2,205,312
    • Issue date Jun 18, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2195748
    • Patent number 2,195,748
    • Issue date Apr 2, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2195640
    • Patent number 2,195,640
    • Issue date Apr 2, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2163205
    • Patent number 2,163,205
    • Issue date Jun 20, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2159202
    • Patent number 2,159,202
    • Issue date May 23, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2153165
    • Patent number 2,153,165
    • Issue date Apr 4, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2150597
    • Patent number 2,150,597
    • Issue date Mar 14, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2101122
    • Patent number 2,101,122
    • Issue date Dec 7, 1937
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1931883
    • Patent number 1,931,883
    • Issue date Oct 24, 1933
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1915033
    • Patent number 1,915,033
    • Issue date Jun 20, 1933
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1870464
    • Patent number 1,870,464
    • Issue date Aug 9, 1932
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1766219
    • Patent number 1,766,219
    • Issue date Jun 24, 1930
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1733354
    • Patent number 1,733,354
    • Issue date Oct 29, 1929
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1662156
    • Patent number 1,662,156
    • Issue date Mar 13, 1928
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1614672
    • Patent number 1,614,672
    • Issue date Jan 18, 1927
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1587539
    • Patent number 1,587,539
    • Issue date Jun 8, 1926
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1508169
    • Patent number 1,508,169
    • Issue date Sep 9, 1924
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1460055
    • Patent number 1,460,055
    • Issue date Jun 26, 1923
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1437809
    • Patent number 1,437,809
    • Issue date Dec 5, 1922
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1414972
    • Patent number 1,414,972
    • Issue date May 2, 1922
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1409225
    • Patent number 1,409,225
    • Issue date Mar 14, 1922
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1387811
    • Patent number 1,387,811
    • Issue date Aug 16, 1921
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1346088
    • Patent number 1,346,088
    • Issue date Jul 6, 1920
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1278080
    • Patent number 1,278,080
    • Issue date Sep 3, 1918
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents