TREA

Coherers or like imperfect resistors for detecting electromagnetic waves

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  • CPC
  • H01C8/02
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Parent Industries

HELECTRICITY H01Electric elements H01CRESISTORS H01C8/00Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material

Current Industry

H01C8/02Coherers or like imperfect resistors for detecting electromagnetic waves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3350776
    • Patent number 3,350,776
    • Issue date Nov 7, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2923920
    • Patent number 2,923,920
    • Issue date Feb 2, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2899657
    • Patent number 2,899,657
    • Issue date Aug 11, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2889539
    • Patent number 2,889,539
    • Issue date Jun 2, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2810900
    • Patent number 2,810,900
    • Issue date Oct 22, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1514732
    • Patent number 1,514,732
    • Issue date Nov 11, 1924
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1245135
    • Patent number 1,245,135
    • Issue date Oct 30, 1917
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1242512
    • Patent number 1,242,512
    • Issue date Oct 9, 1917
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1097974
    • Patent number 1,097,974
    • Issue date May 26, 1914
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1087549
    • Patent number 1,087,549
    • Issue date Feb 17, 1914
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1019260
    • Patent number 1,019,260
    • Issue date Mar 5, 1912
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    935721
    • Patent number 935,721
    • Issue date Oct 5, 1909
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    929349
    • Patent number 929,349
    • Issue date Jul 27, 1909
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    913814
    • Patent number 913,814
    • Issue date Mar 2, 1909
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    884107
    • Patent number 884,107
    • Issue date Apr 7, 1908
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    884109
    • Patent number 884,109
    • Issue date Apr 7, 1908
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    884108
    • Patent number 884,108
    • Issue date Apr 7, 1908
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    883437
    • Patent number 883,437
    • Issue date Mar 31, 1908
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    853929
    • Patent number 853,929
    • Issue date May 14, 1907
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    829787
    • Patent number 829,787
    • Issue date Aug 28, 1906
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    810150
    • Patent number 810,150
    • Issue date Jan 16, 1906
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    805714
    • Patent number 805,714
    • Issue date Nov 28, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    802420
    • Patent number 802,420
    • Issue date Oct 24, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    802421
    • Patent number 802,421
    • Issue date Oct 24, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    796403
    • Patent number 796,403
    • Issue date Aug 1, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    795843
    • Patent number 795,843
    • Issue date Aug 1, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    781873
    • Patent number 781,873
    • Issue date Feb 7, 1905
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    763893
    • Patent number 763,893
    • Issue date Jun 28, 1904
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    745463
    • Patent number 745,463
    • Issue date Dec 1, 1903
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    737072
    • Patent number 737,072
    • Issue date Aug 25, 1903
    • H01 - BASIC ELECTRIC ELEMENTS