TREA

Subject matter not provided for in other groups of this subclass

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Industry

  • CPC
  • F23L99/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F23Combustion devices F23LAIR SUPPLY DRAUGHT-INDUCING SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS

Current Industry

F23L99/00Subject matter not provided for in other groups of this subclass
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Filter device and water heater
    • Patent number 11,103,818
    • Issue date Aug 31, 2021
    • PURPOSE CO., LTD.
    • Toshiaki Aoki
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents