TREA

Chimney or flue associated with building ventilation system

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Industry

  • CPC
  • F23J2211/30
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F23Combustion devices F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES FLUES F23J2211/00Flue gas duct systems

Current Industry

F23J2211/30Chimney or flue associated with building ventilation system
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchange system
    • Patent number 6,908,039
    • Issue date Jun 21, 2005
    • HNI Technologies Inc.
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Fireplace make-up air heat exchange system
    • Patent number 6,729,551
    • Issue date May 4, 2004
    • HON Technology Inc.
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Heat exchange system
    • Patent number 6,550,687
    • Issue date Apr 22, 2003
    • HON Technology Inc.
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Fireplace make-up air heat exchange system
    • Patent number 6,543,698
    • Issue date Apr 8, 2003
    • Heat-N-Glo Fireplace Products, Inc
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Heat removal system for fireplaces
    • Patent number 6,019,099
    • Issue date Feb 1, 2000
    • Heat-N-Glo Fireplace Products Inc.
    • Ronald John Shimek
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Gas-powered apparatus for producing warm water and for heating an e...
    • Patent number 4,971,025
    • Issue date Nov 20, 1990
    • ATI di Mariani Mario & C. S.n.c.
    • Mario Mariani
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3376834
    • Patent number 3,376,834
    • Issue date Apr 9, 1968
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2764972
    • Patent number 2,764,972
    • Issue date Oct 2, 1956
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1337746
    • Patent number 1,337,746
    • Issue date Apr 20, 1920
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1146980
    • Patent number 1,146,980
    • Issue date Jul 20, 1915
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    987792
    • Patent number 987,792
    • Issue date Mar 28, 1911
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    362116
    • Patent number 362,116
    • Issue date May 3, 1887
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents