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having a main light-emitting filling of difficult vaporisable metal vapour

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  • CPC
  • H01J61/74
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J61/00Gas- or vapour-discharge lamps

Current Industry

H01J61/74having a main light-emitting filling of difficult vaporisable metal vapour
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Flash lamp with gas fill for suppressing self-starting
    • Patent number 9,105,461
    • Issue date Aug 11, 2015
    • VON ARDENNE GmbH
    • Harald Gross
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low pressure sodium-mercury lamp yielding substantially white light
    • Patent number 5,637,965
    • Issue date Jun 10, 1997
    • Matsushita Electric Works R&D Laboratory, Inc.
    • Jakob Maya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low-pressure sodium discharge lamp
    • Patent number 5,619,090
    • Issue date Apr 8, 1997
    • U.S. Philips Corporation
    • Karel R. Vervecken
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Emission device with a cadmium lamp
    • Patent number 5,589,735
    • Issue date Dec 31, 1996
    • Ushiodenki Kabushiki Kaisha
    • Akiyasu Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Low-pressure sodium discharge lamp having a collar-like heat shield
    • Patent number 4,808,877
    • Issue date Feb 28, 1989
    • U.S. Philips Corporation
    • Adriaan Netten
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low-pressure sodium vapor discharge lamp with protective glass laye...
    • Patent number 4,783,612
    • Issue date Nov 8, 1988
    • U.S. Philips Corp.
    • Leo M. Sprengers
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low-pressure sodium vapor discharge lamp
    • Patent number 4,209,726
    • Issue date Jun 24, 1980
    • U.S. Philips Corporation
    • Alexander G. Jack
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Sodium vapor lamp with emission aperture
    • Patent number 4,080,545
    • Issue date Mar 21, 1978
    • Xerox Corporation
    • Charles F. Gallo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Discharge tube having two internal electrodes
    • Patent number 3,956,656
    • Issue date May 11, 1976
    • U.S. Philips Corporation
    • Leo Modest Sprengers
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3784863
    • Patent number 3,784,863
    • Issue date Jan 8, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3678315
    • Patent number 3,678,315
    • Issue date Jul 18, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3646378
    • Patent number 3,646,378
    • Issue date Feb 29, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3548240
    • Patent number 3,548,240
    • Issue date Dec 15, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3439209
    • Patent number 3,439,209
    • Issue date Apr 15, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3225244
    • Patent number 3,225,244
    • Issue date Dec 21, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3134920
    • Patent number 3,134,920
    • Issue date May 26, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2094679
    • Patent number 2,094,679
    • Issue date Oct 5, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2084772
    • Patent number 2,084,772
    • Issue date Jun 22, 1937
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    2056648
    • Patent number 2,056,648
    • Issue date Oct 6, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2056665
    • Patent number 2,056,665
    • Issue date Oct 6, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2025585
    • Patent number 2,025,585
    • Issue date Dec 24, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2019613
    • Patent number 2,019,613
    • Issue date Nov 5, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1984426
    • Patent number 1,984,426
    • Issue date Dec 18, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1984502
    • Patent number 1,984,502
    • Issue date Dec 18, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1919933
    • Patent number 1,919,933
    • Issue date Jul 25, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1531966
    • Patent number 1,531,966
    • Issue date Mar 31, 1925
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents