the active element in the amplifier being a vacuum tube

Patents Grantslast 30 patents

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    Hollow supports and anchors for mechanical resonators

    • Patent number 9,866,172
    • Issue date Jan 9, 2018
    • The Regents of the University of California
    • Clark T.-C. Nguyen
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Digital self excited loop

    • Patent number 8,130,045
    • Issue date Mar 6, 2012
    • Jefferson Science Associate, LLC
    • Trent Allison
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Microwave pulse generator incorporating a pulse compressor

    • Patent number 6,768,266
    • Issue date Jul 27, 2004
    • Thales Electron Devices S.A.
    • Georges Faillon
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Method and device for high frequency treatment of products, related...

    • Patent number 6,399,927
    • Issue date Jun 4, 2002
    • Chapel et Cie
    • Henri Durr
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Plasma generator

    • Patent number 5,180,949
    • Issue date Jan 19, 1993
    • U.S. Philips Corp.
    • Rene C. Durr
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    High-frequency high-voltage power generator with a coax resonator

    • Patent number 5,111,024
    • Issue date May 5, 1992
    • U.S. Philips Corporation
    • Christian S. A. E. Patron
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Electric oscillation generator

    • Patent number 4,471,316
    • Issue date Sep 11, 1984
    • Matvei I. Pass
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    High frequency inductive generator for the inductive coil of a plas...

    • Patent number 4,337,415
    • Issue date Jun 29, 1982
    • Instruments S.A.
    • Rene Durr
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    Coaxial cavity microwave oscillator with manually adjustable capaci...

    • Patent number 4,091,337
    • Issue date May 23, 1978
    • RCA Corporation
    • LeRoy Francis Heckman
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3913034

    • Patent number 3,913,034
    • Issue date Oct 14, 1975
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3902138

    • Patent number 3,902,138
    • Issue date Aug 26, 1975
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3721920

    • Patent number 3,721,920
    • Issue date Mar 20, 1973
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3718869

    • Patent number 3,718,869
    • Issue date Feb 27, 1973
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3697799

    • Patent number 3,697,799
    • Issue date Oct 10, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3689847

    • Patent number 3,689,847
    • Issue date Sep 5, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3598951

    • Patent number 3,598,951
    • Issue date Aug 10, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3597705

    • Patent number 3,597,705
    • Issue date Aug 3, 1971
    • G01 - MEASURING TESTING
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    3596130

    • Patent number 3,596,130
    • Issue date Jul 27, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3594662

    • Patent number 3,594,662
    • Issue date Jul 20, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3573658

    • Patent number 3,573,658
    • Issue date Apr 6, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3544917

    • Patent number 3,544,917
    • Issue date Dec 1, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3524410

    • Patent number 3,524,410
    • Issue date Aug 18, 1970
    • F42 - AMMUNITION BLASTING
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    3377565

    • Patent number 3,377,565
    • Issue date Apr 9, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3377564

    • Patent number 3,377,564
    • Issue date Apr 9, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3360743

    • Patent number 3,360,743
    • Issue date Dec 26, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3344363

    • Patent number 3,344,363
    • Issue date Sep 26, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3343103

    • Patent number 3,343,103
    • Issue date Sep 19, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3340482

    • Patent number 3,340,482
    • Issue date Sep 5, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3333211

    • Patent number 3,333,211
    • Issue date Jul 25, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3314011

    • Patent number 3,314,011
    • Issue date Apr 11, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents