with forced circulation

Patents Grantslast 30 patents

  • Information Patent Grant

    Control system for a fuel burning appliance and a method of operati...

    • Patent number 11,976,821
    • Issue date May 7, 2024
    • Wolf Steel Ltd.
    • Paul Hodges
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    Furnace

    • Patent number 11,892,200
    • Issue date Feb 6, 2024
    • FIRE CHIEF INDUSTRIES LLC
    • Danny N. Haynes
    • F24 - HEATING RANGES VENTILATING
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    Longitudinal burn pot assembly and improved air flow system

    • Patent number 11,767,980
    • Issue date Sep 26, 2023
    • Dansons US, LLC
    • Jay Dean
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Firebox floor of a furnace for combusting wood

    • Patent number 11,703,222
    • Issue date Jul 18, 2023
    • Heatmaster Furnaces Inc.
    • Albert Penner
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    Portable thermal convection rotisserie and barbeque apparatus for u...

    • Patent number 11,306,921
    • Issue date Apr 19, 2022
    • Engelbart Lieftink
    • F24 - HEATING RANGES VENTILATING
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    Furnace

    • Patent number 10,684,040
    • Issue date Jun 16, 2020
    • FIRE CHIEF INDUSTRIES LLC
    • Danny N. Haynes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood burning furnace

    • Patent number 5,462,043
    • Issue date Oct 31, 1995
    • Keith J. Rose
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solid fuel burning stove

    • Patent number 5,105,797
    • Issue date Apr 21, 1992
    • Alexander M. Gulutzen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Apparatus and method for accomplishing efficient burning of biomass...

    • Patent number 4,438,756
    • Issue date Mar 27, 1984
    • Chamberlain; Joseph G.
    • Joseph G. Chamberlain
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heating device

    • Patent number 4,377,153
    • Issue date Mar 22, 1983
    • Rodger H. Flagg
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood burning stove

    • Patent number 4,372,286
    • Issue date Feb 8, 1983
    • Arthur L. Baker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Free standing stove

    • Patent number 4,359,040
    • Issue date Nov 16, 1982
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
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    Fireplace furnace

    • Patent number 4,305,373
    • Issue date Dec 15, 1981
    • Donald S. Martenson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood burning stove with integral forced air heat exchanger system

    • Patent number 4,261,324
    • Issue date Apr 14, 1981
    • Woodcutters Manufacturing, Inc.
    • Hal Larson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood burning stove

    • Patent number 4,258,693
    • Issue date Mar 31, 1981
    • Arthur L. Baker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heater stove apparatus

    • Patent number 4,241,719
    • Issue date Dec 30, 1980
    • Joseph K. Vickery
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Forced air heater

    • Patent number 4,223,659
    • Issue date Sep 23, 1980
    • Therm-Air Industries, Inc.
    • David J. Livezey
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Stove construction

    • Patent number 4,213,443
    • Issue date Jul 22, 1980
    • All Nighter Stove Works, Inc.
    • James A. Morande
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heating apparatus

    • Patent number 4,206,743
    • Issue date Jun 10, 1980
    • W. Wally Niemela
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solid-fuel burner

    • Patent number 4,201,186
    • Issue date May 6, 1980
    • Patrick J. Paquin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood burning stove and fireplace

    • Patent number 4,200,086
    • Issue date Apr 29, 1980
    • Valley Forge Stove Co.
    • Robert C. Kolb
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Circulating-air heating stove

    • Patent number 4,150,658
    • Issue date Apr 24, 1979
    • Arizona Forest Supply, Inc.
    • Lee Woods
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Franklin stove attachments

    • Patent number 4,111,182
    • Issue date Sep 5, 1978
    • Herbert E. Roberts
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heater

    • Patent number 3,981,292
    • Issue date Sep 21, 1976
    • Lilly Industries, Inc.
    • Wilbur E. Lilly
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2321132

    • Patent number 2,321,132
    • Issue date Jun 8, 1943
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2073424

    • Patent number 2,073,424
    • Issue date Mar 9, 1937
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1528564

    • Patent number 1,528,564
    • Issue date Mar 3, 1925
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    740674

    • Patent number 740,674
    • Issue date Oct 6, 1903
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    717290

    • Patent number 717,290
    • Issue date Dec 30, 1902
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    687166

    • Patent number 687,166
    • Issue date Nov 19, 1901
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents