TREA

with tubes only

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Industry

  • CPC
  • H03F3/48
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Parent Industries

HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

Current Industry

H03F3/48with tubes only
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3684963
    • Patent number 3,684,963
    • Issue date Aug 15, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2979612
    • Patent number 2,979,612
    • Issue date Apr 11, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2896027
    • Patent number 2,896,027
    • Issue date Jul 21, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2843735
    • Patent number 2,843,735
    • Issue date Jul 15, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2789215
    • Patent number 2,789,215
    • Issue date Apr 16, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2785300
    • Patent number 2,785,300
    • Issue date Mar 12, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2778932
    • Patent number 2,778,932
    • Issue date Jan 22, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2770722
    • Patent number 2,770,722
    • Issue date Nov 13, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2714158
    • Patent number 2,714,158
    • Issue date Jul 26, 1955
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2676252
    • Patent number 2,676,252
    • Issue date Apr 20, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2673255
    • Patent number 2,673,255
    • Issue date Mar 23, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2662173
    • Patent number 2,662,173
    • Issue date Dec 8, 1953
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2640917
    • Patent number 2,640,917
    • Issue date Jun 2, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2597029
    • Patent number 2,597,029
    • Issue date May 20, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2589455
    • Patent number 2,589,455
    • Issue date Mar 18, 1952
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2582100
    • Patent number 2,582,100
    • Issue date Jan 8, 1952
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2570016
    • Patent number 2,570,016
    • Issue date Oct 2, 1951
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2547145
    • Patent number 2,547,145
    • Issue date Apr 3, 1951
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2525151
    • Patent number 2,525,151
    • Issue date Oct 10, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2508936
    • Patent number 2,508,936
    • Issue date May 23, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2503787
    • Patent number 2,503,787
    • Issue date Apr 11, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2474978
    • Patent number 2,474,978
    • Issue date Jul 5, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2471252
    • Patent number 2,471,252
    • Issue date May 24, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2455711
    • Patent number 2,455,711
    • Issue date Dec 7, 1948
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2404408
    • Patent number 2,404,408
    • Issue date Jul 23, 1946
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2329423
    • Patent number 2,329,423
    • Issue date Sep 14, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2324815
    • Patent number 2,324,815
    • Issue date Jul 20, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2308280
    • Patent number 2,308,280
    • Issue date Jan 12, 1943
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2302867
    • Patent number 2,302,867
    • Issue date Nov 24, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2296921
    • Patent number 2,296,921
    • Issue date Sep 29, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    AMPLIFICATION STAGE
    • Publication number 20100019853
    • Publication date Jan 28, 2010
    • NXP B.V.
    • Hendrikus C. Nauta
    • H03 - BASIC ELECTRONIC CIRCUITRY