TREA

with tubes only

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Industry

  • CPC
  • H03F3/40
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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

H03F3/40with tubes only
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3579131
    • Patent number 3,579,131
    • Issue date May 18, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3560882
    • Patent number 3,560,882
    • Issue date Feb 2, 1971
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3535646
    • Patent number 3,535,646
    • Issue date Oct 20, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3516002
    • Patent number 3,516,002
    • Issue date Jun 2, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3498288
    • Patent number 3,498,288
    • Issue date Mar 3, 1970
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3471687
    • Patent number 3,471,687
    • Issue date Oct 7, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3443234
    • Patent number 3,443,234
    • Issue date May 6, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3433976
    • Patent number 3,433,976
    • Issue date Mar 18, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3424981
    • Patent number 3,424,981
    • Issue date Jan 28, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3339071
    • Patent number 3,339,071
    • Issue date Aug 29, 1967
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3330954
    • Patent number 3,330,954
    • Issue date Jul 11, 1967
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3283157
    • Patent number 3,283,157
    • Issue date Nov 1, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3265979
    • Patent number 3,265,979
    • Issue date Aug 9, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3260945
    • Patent number 3,260,945
    • Issue date Jul 12, 1966
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3252102
    • Patent number 3,252,102
    • Issue date May 17, 1966
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3246309
    • Patent number 3,246,309
    • Issue date Apr 12, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3241080
    • Patent number 3,241,080
    • Issue date Mar 15, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3237097
    • Patent number 3,237,097
    • Issue date Feb 22, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3214703
    • Patent number 3,214,703
    • Issue date Oct 26, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3210945
    • Patent number 3,210,945
    • Issue date Oct 12, 1965
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3209244
    • Patent number 3,209,244
    • Issue date Sep 28, 1965
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3196364
    • Patent number 3,196,364
    • Issue date Jul 20, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3192456
    • Patent number 3,192,456
    • Issue date Jun 29, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3178995
    • Patent number 3,178,995
    • Issue date Apr 20, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3173097
    • Patent number 3,173,097
    • Issue date Mar 9, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3166696
    • Patent number 3,166,696
    • Issue date Jan 19, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3153202
    • Patent number 3,153,202
    • Issue date Oct 13, 1964
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3127560
    • Patent number 3,127,560
    • Issue date Mar 31, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3105230
    • Patent number 3,105,230
    • Issue date Sep 24, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3101451
    • Patent number 3,101,451
    • Issue date Aug 20, 1963
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents