TREA

characterised by the shape of the filament

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  • CPC
  • F21S48/1177
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21SNON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF F21S48/00Lighting devices or systems specially adapted for vehicles

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F21S48/1177characterised by the shape of the filament
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle lamp reflector having ventilation channel adjacent lamp cap...
    • Patent number 10,066,801
    • Issue date Sep 4, 2018
    • OSRAM SYLVANIA Inc.
    • Lawrence Rice
    • F21 - LIGHTING
  • Information Patent Grant

    Dipped headlamp for motor vehicles
    • Patent number 4,797,797
    • Issue date Jan 10, 1989
    • Cibie Projecteurs
    • Pierre Collot
    • F21 - LIGHTING
  • Information Patent Grant

    Automotive headlamp
    • Patent number 4,754,373
    • Issue date Jun 28, 1988
    • General Electric Company
    • Lee W. Otto
    • F21 - LIGHTING
  • Information Patent Grant

    Motor vehicle headlight
    • Patent number 4,723,198
    • Issue date Feb 2, 1988
    • GTE Products Corporation
    • Robert E. Levin
    • F21 - LIGHTING
  • Information Patent Grant

    3633022
    • Patent number 3,633,022
    • Issue date Jan 4, 1972
    • F21 - LIGHTING
  • Information Patent Grant

    3345510
    • Patent number 3,345,510
    • Issue date Oct 3, 1967
    • F21 - LIGHTING
  • Information Patent Grant

    3270195
    • Patent number 3,270,195
    • Issue date Aug 30, 1966
    • F21 - LIGHTING
  • Information Patent Grant

    3206595
    • Patent number 3,206,595
    • Issue date Sep 14, 1965
    • F21 - LIGHTING
  • Information Patent Grant

    2454765
    • Patent number 2,454,765
    • Issue date Nov 30, 1948
    • F21 - LIGHTING
  • Information Patent Grant

    2154842
    • Patent number 2,154,842
    • Issue date Apr 18, 1939
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2142384
    • Patent number 2,142,384
    • Issue date Jan 3, 1939
    • F21 - LIGHTING
  • Information Patent Grant

    2131634
    • Patent number 2,131,634
    • Issue date Sep 27, 1938
    • F21 - LIGHTING
  • Information Patent Grant

    2074626
    • Patent number 2,074,626
    • Issue date Mar 23, 1937
    • F21 - LIGHTING
  • Information Patent Grant

    2035432
    • Patent number 2,035,432
    • Issue date Mar 24, 1936
    • F21 - LIGHTING
  • Information Patent Grant

    2006964
    • Patent number 2,006,964
    • Issue date Jul 2, 1935
    • F21 - LIGHTING
  • Information Patent Grant

    1987697
    • Patent number 1,987,697
    • Issue date Jan 15, 1935
    • F21 - LIGHTING
  • Information Patent Grant

    1950445
    • Patent number 1,950,445
    • Issue date Mar 13, 1934
    • F21 - LIGHTING
  • Information Patent Grant

    1792806
    • Patent number 1,792,806
    • Issue date Feb 17, 1931
    • F21 - LIGHTING
  • Information Patent Grant

    1788935
    • Patent number 1,788,935
    • Issue date Jan 13, 1931
    • F21 - LIGHTING
  • Information Patent Grant

    1787470
    • Patent number 1,787,470
    • Issue date Jan 6, 1931
    • F21 - LIGHTING
  • Information Patent Grant

    1678092
    • Patent number 1,678,092
    • Issue date Jul 24, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1621224
    • Patent number 1,621,224
    • Issue date Mar 15, 1927
    • F21 - LIGHTING
  • Information Patent Grant

    1533360
    • Patent number 1,533,360
    • Issue date Apr 14, 1925
    • F21 - LIGHTING

Patents Applicationslast 30 patents