with movable electrode or electrodes

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  • H01J21/08
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric vacuum transistor

    • Patent number 11,361,928
    • Issue date Jun 14, 2022
    • International Business Machines Corporation
    • Qing Cao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Piezoelectric vacuum transistor

    • Patent number 10,665,414
    • Issue date May 26, 2020
    • International Business Machines Corporation
    • Qing Cao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Piezoelectric vacuum transistor

    • Patent number 10,573,482
    • Issue date Feb 25, 2020
    • International Business Machines Corporation
    • Qing Cao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode sandwich separation

    • Patent number 7,140,102
    • Issue date Nov 28, 2006
    • Borealis Technical Limited
    • Zaza Taliashvili
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    On-chip vacuum microtube device and method for making such device

    • Patent number 6,803,725
    • Issue date Oct 12, 2004
    • The Regents of the University of California
    • Sungho Jin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermionic vacuum diode device with adjustable electrodes

    • Patent number 6,720,704
    • Issue date Apr 13, 2004
    • Boreaiis Technical Limited
    • Avto Tavkhelidze
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Direct current energized pulse generator utilizing autogenous cycli...

    • Patent number 5,502,354
    • Issue date Mar 26, 1996
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Energy conversion system

    • Patent number 5,449,989
    • Issue date Sep 12, 1995
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromechanical transduction of plasma pulses

    • Patent number 5,416,391
    • Issue date May 16, 1995
    • Paulo N. Correa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic resonator employing an FED resonator element

    • Patent number 5,121,087
    • Issue date Jun 9, 1992
    • Motorola, Inc.
    • Robert T. Smith
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2866119

    • Patent number 2,866,119
    • Issue date Dec 23, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2851595

    • Patent number 2,851,595
    • Issue date Sep 9, 1958
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2839701

    • Patent number 2,839,701
    • Issue date Jun 17, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2828437

    • Patent number 2,828,437
    • Issue date Mar 25, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2802126

    • Patent number 2,802,126
    • Issue date Aug 6, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2799792

    • Patent number 2,799,792
    • Issue date Jul 16, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2793325

    • Patent number 2,793,325
    • Issue date May 21, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2787839

    • Patent number 2,787,839
    • Issue date Apr 9, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2786955

    • Patent number 2,786,955
    • Issue date Mar 26, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2779890

    • Patent number 2,779,890
    • Issue date Jan 29, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2744952

    • Patent number 2,744,952
    • Issue date May 8, 1956
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2615130

    • Patent number 2,615,130
    • Issue date Oct 21, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2591907

    • Patent number 2,591,907
    • Issue date Apr 8, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2554877

    • Patent number 2,554,877
    • Issue date May 29, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2548385

    • Patent number 2,548,385
    • Issue date Apr 10, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2543011

    • Patent number 2,543,011
    • Issue date Feb 27, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2525938

    • Patent number 2,525,938
    • Issue date Oct 17, 1950
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2518121

    • Patent number 2,518,121
    • Issue date Aug 8, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2513371

    • Patent number 2,513,371
    • Issue date Jul 4, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2510982

    • Patent number 2,510,982
    • Issue date Jun 13, 1950
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents