TREA

Solid incandescent bodies

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Industry

  • CPC
  • F21H5/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21HMANTLES OTHER INCANDESCENT BODIES HEATED BY COMBUSTION

Current Industry

F21H5/00Solid incandescent bodies
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1568771
    • Patent number 1,568,771
    • Issue date Jan 5, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1564362
    • Patent number 1,564,362
    • Issue date Dec 8, 1925
    • F21 - LIGHTING
  • Information Patent Grant

    1552556
    • Patent number 1,552,556
    • Issue date Sep 8, 1925
    • F21 - LIGHTING