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  • H01J17/30
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC PROPULSION SYSTEM INCLUDING HEATERLESS DISPENSER CATHODE

    • Publication number 20220165533
    • Publication date May 26, 2022
    • Aerojet Rocketdyne, Inc.
    • Brian A. Koch
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRIC DISCHARGE APPARATUS

    • Publication number 20130025255
    • Publication date Jan 31, 2013
    • Rolls-Royce plc
    • Claudio Zizzo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Method and apparatus for initiating gas discharge displays

    • Publication number 20070018910
    • Publication date Jan 25, 2007
    • Honeywell International, Inc.
    • Charles K. Hanneman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Discharge tube

    • Publication number 20050073231
    • Publication date Apr 7, 2005
    • Kazuhiko Machida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Discharge tube

    • Publication number 20040155586
    • Publication date Aug 12, 2004
    • Kazuhiko Machida
    • H01 - BASIC ELECTRIC ELEMENTS