TREA

with external electrostatic control means and with or without internal control electrodes

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Industry

  • CPC
  • H01J21/16
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J21/00Vacuum tubes

Current Industry

H01J21/16with external electrostatic control means and with or without internal control electrodes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2435202
    • Patent number 2,435,202
    • Issue date Feb 3, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2402664
    • Patent number 2,402,664
    • Issue date Jun 25, 1946
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2003371
    • Patent number 2,003,371
    • Issue date Jun 4, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1975610
    • Patent number 1,975,610
    • Issue date Oct 2, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1879321
    • Patent number 1,879,321
    • Issue date Sep 27, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1652497
    • Patent number 1,652,497
    • Issue date Dec 13, 1927
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1580446
    • Patent number 1,580,446
    • Issue date Apr 13, 1926
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1554720
    • Patent number 1,554,720
    • Issue date Sep 22, 1925
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1488337
    • Patent number 1,488,337
    • Issue date Mar 25, 1924
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1379706
    • Patent number 1,379,706
    • Issue date May 31, 1921
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1380206
    • Patent number 1,380,206
    • Issue date May 31, 1921
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1342399
    • Patent number 1,342,399
    • Issue date Jun 1, 1920
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    841386
    • Patent number 841,386
    • Issue date Jan 15, 1907
    • H03 - BASIC ELECTRONIC CIRCUITRY