TREA

Chimneys

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Industry

  • CPC
  • F21V37/0066
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21VDETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION F21V37/00Details of lighting devices employing combustion as light source, not otherwise provided for Night lamps Votive lamps

Current Industry

F21V37/0066Chimneys
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Combustion device having double-layer structure
    • Patent number 11,209,160
    • Issue date Dec 28, 2021
    • Pro-Iroda Industries, Inc.
    • Wei Cheng Wu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    System for creating movement using a heat source and controlled by...
    • Patent number 10,641,479
    • Issue date May 5, 2020
    • David V. Schiavi
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2734999
    • Patent number 2,734,999
    • Issue date Feb 14, 1956
    • F21 - LIGHTING
  • Information Patent Grant

    1906316
    • Patent number 1,906,316
    • Issue date May 2, 1933
    • F21 - LIGHTING
  • Information Patent Grant

    1883602
    • Patent number 1,883,602
    • Issue date Oct 18, 1932
    • F21 - LIGHTING
  • Information Patent Grant

    1772272
    • Patent number 1,772,272
    • Issue date Aug 5, 1930
    • F21 - LIGHTING
  • Information Patent Grant

    1761616
    • Patent number 1,761,616
    • Issue date Jun 3, 1930
    • F21 - LIGHTING
  • Information Patent Grant

    1744298
    • Patent number 1,744,298
    • Issue date Jan 21, 1930
    • F21 - LIGHTING
  • Information Patent Grant

    1737359
    • Patent number 1,737,359
    • Issue date Nov 26, 1929
    • F21 - LIGHTING
  • Information Patent Grant

    1569903
    • Patent number 1,569,903
    • Issue date Jan 19, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1509568
    • Patent number 1,509,568
    • Issue date Sep 23, 1924
    • F21 - LIGHTING
  • Information Patent Grant

    1499372
    • Patent number 1,499,372
    • Issue date Jul 1, 1924
    • F21 - LIGHTING
  • Information Patent Grant

    13577
    • Patent number 13,577
    • Issue date Sep 18, 1855
    • F21 - LIGHTING

Patents Applicationslast 30 patents