TREA

Cooling means

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Industry

  • CPC
  • H01J2893/0081
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2893/00Discharge tubes and lamps

Current Industry

H01J2893/0081Cooling means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2431153
    • Patent number 2,431,153
    • Issue date Nov 18, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2428587
    • Patent number 2,428,587
    • Issue date Oct 7, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2189619
    • Patent number 2,189,619
    • Issue date Feb 6, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1781286
    • Patent number 1,781,286
    • Issue date Nov 11, 1930
    • H01 - BASIC ELECTRIC ELEMENTS