Lamps in which the discharge space is substantially filled with mercury before ignition

Industry

  • CPC
  • H01J61/60
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mercury discharge lamp

    • Patent number 11,437,228
    • Issue date Sep 6, 2022
    • Photoscience Japan Corporation
    • Akihiro Inoue
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arc discharge lamp with liquid metal and heating means

    • Patent number 5,051,649
    • Issue date Sep 24, 1991
    • John F. Waymouth Intellectual Property and Education Trust
    • John F. Waymouth
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents