in tube switches

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  • CPC
  • H03K17/288
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for driving power switch tube

    • Patent number 10,411,700
    • Issue date Sep 10, 2019
    • Huawei Technologies Co., Ltd.
    • Xujun Liu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3609580

    • Patent number 3,609,580
    • Issue date Sep 28, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3510661

    • Patent number 3,510,661
    • Issue date May 5, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3500051

    • Patent number 3,500,051
    • Issue date Mar 10, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3469108

    • Patent number 3,469,108
    • Issue date Sep 23, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3411020

    • Patent number 3,411,020
    • Issue date Nov 12, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3349293

    • Patent number 3,349,293
    • Issue date Oct 24, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3325694

    • Patent number 3,325,694
    • Issue date Jun 13, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3289041

    • Patent number 3,289,041
    • Issue date Nov 29, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3286532

    • Patent number 3,286,532
    • Issue date Nov 22, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3275830

    • Patent number 3,275,830
    • Issue date Sep 27, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3273070

    • Patent number 3,273,070
    • Issue date Sep 13, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3262356

    • Patent number 3,262,356
    • Issue date Jul 26, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3249821

    • Patent number 3,249,821
    • Issue date May 3, 1966
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3225267

    • Patent number 3,225,267
    • Issue date Dec 21, 1965
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3223843

    • Patent number 3,223,843
    • Issue date Dec 14, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3220330

    • Patent number 3,220,330
    • Issue date Nov 30, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3217206

    • Patent number 3,217,206
    • Issue date Nov 9, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3215478

    • Patent number 3,215,478
    • Issue date Nov 2, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3213342

    • Patent number 3,213,342
    • Issue date Oct 19, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3211951

    • Patent number 3,211,951
    • Issue date Oct 12, 1965
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3210612

    • Patent number 3,210,612
    • Issue date Oct 5, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3206650

    • Patent number 3,206,650
    • Issue date Sep 14, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3200300

    • Patent number 3,200,300
    • Issue date Aug 10, 1965
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    3197884

    • Patent number 3,197,884
    • Issue date Aug 3, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3193748

    • Patent number 3,193,748
    • Issue date Jul 6, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3188443

    • Patent number 3,188,443
    • Issue date Jun 8, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3178999

    • Patent number 3,178,999
    • Issue date Apr 20, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3166674

    • Patent number 3,166,674
    • Issue date Jan 19, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3163825

    • Patent number 3,163,825
    • Issue date Dec 29, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents