TREA

the coupled helices being disposed coaxially around one another

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  • CPC
  • H01J23/52
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

Current Industry

H01J23/52the coupled helices being disposed coaxially around one another
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Traveling wave tube
    • Patent number 4,185,225
    • Issue date Jan 22, 1980
    • Northrop Corporation
    • Oskar F. Doehler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3401298
    • Patent number 3,401,298
    • Issue date Sep 10, 1968
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3136964
    • Patent number 3,136,964
    • Issue date Jun 9, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3050657
    • Patent number 3,050,657
    • Issue date Aug 21, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3050656
    • Patent number 3,050,656
    • Issue date Aug 21, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3020444
    • Patent number 3,020,444
    • Issue date Feb 6, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3013177
    • Patent number 3,013,177
    • Issue date Dec 12, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2947906
    • Patent number 2,947,906
    • Issue date Aug 2, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2944181
    • Patent number 2,944,181
    • Issue date Jul 5, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2939092
    • Patent number 2,939,092
    • Issue date May 31, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2928979
    • Patent number 2,928,979
    • Issue date Mar 15, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2905858
    • Patent number 2,905,858
    • Issue date Sep 22, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2862137
    • Patent number 2,862,137
    • Issue date Nov 25, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2846613
    • Patent number 2,846,613
    • Issue date Aug 5, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2834944
    • Patent number 2,834,944
    • Issue date May 13, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2823333
    • Patent number 2,823,333
    • Issue date Feb 11, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2673900
    • Patent number 2,673,900
    • Issue date Mar 30, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2602148
    • Patent number 2,602,148
    • Issue date Jul 1, 1952
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR