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Cooling arrangements Heating arrangements

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  • CPC
  • H01J13/32
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J13/00Discharge tubes with liquid-pool cathodes

Current Industry

H01J13/32Cooling arrangements Heating arrangements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Luminaire having a HID light source and a LED light source
    • Patent number 8,525,420
    • Issue date Sep 3, 2013
    • Koninklijke Philips N.V.
    • Robert L. Summerford
    • F21 - LIGHTING
  • Information Patent Grant

    3659132
    • Patent number 3,659,132
    • Issue date Apr 25, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3395300
    • Patent number 3,395,300
    • Issue date Jul 30, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3252041
    • Patent number 3,252,041
    • Issue date May 17, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3246194
    • Patent number 3,246,194
    • Issue date Apr 12, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3242379
    • Patent number 3,242,379
    • Issue date Mar 22, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3157820
    • Patent number 3,157,820
    • Issue date Nov 17, 1964
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2996636
    • Patent number 2,996,636
    • Issue date Aug 15, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2983833
    • Patent number 2,983,833
    • Issue date May 9, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2906902
    • Patent number 2,906,902
    • Issue date Sep 29, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2905851
    • Patent number 2,905,851
    • Issue date Sep 22, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2840737
    • Patent number 2,840,737
    • Issue date Jun 24, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2822489
    • Patent number 2,822,489
    • Issue date Feb 4, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2818530
    • Patent number 2,818,530
    • Issue date Dec 31, 1957
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2791722
    • Patent number 2,791,722
    • Issue date May 7, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2756027
    • Patent number 2,756,027
    • Issue date Jul 24, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2712086
    • Patent number 2,712,086
    • Issue date Jun 28, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2707245
    • Patent number 2,707,245
    • Issue date Apr 26, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2594851
    • Patent number 2,594,851
    • Issue date Apr 29, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2554733
    • Patent number 2,554,733
    • Issue date May 29, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2459828
    • Patent number 2,459,828
    • Issue date Jan 25, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2454665
    • Patent number 2,454,665
    • Issue date Nov 23, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2443444
    • Patent number 2,443,444
    • Issue date Jun 15, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2432433
    • Patent number 2,432,433
    • Issue date Dec 9, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2425599
    • Patent number 2,425,599
    • Issue date Aug 12, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2393390
    • Patent number 2,393,390
    • Issue date Jan 22, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2386322
    • Patent number 2,386,322
    • Issue date Oct 9, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2345397
    • Patent number 2,345,397
    • Issue date Mar 28, 1944
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2333525
    • Patent number 2,333,525
    • Issue date Nov 2, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2331176
    • Patent number 2,331,176
    • Issue date Oct 5, 1943
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents