adapted for the use of both solid fuel and another type of fuel or energy supply

Patents Grantslast 30 patents

  • Information Patent Grant

    Fire pit and method of use

    • Patent number 11,913,648
    • Issue date Feb 27, 2024
    • Pyramid Firepits LLC
    • Sean Poggi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Dual-fuel fireplace apparatus

    • Patent number 11,287,136
    • Issue date Mar 29, 2022
    • Michael Aaron Semerad
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Dual-fuel fireplace apparatus

    • Patent number 11,204,170
    • Issue date Dec 21, 2021
    • FIREXCHANGE LLC
    • Michael Aaron Semerad
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fire pit and method of use

    • Patent number 10,989,414
    • Issue date Apr 27, 2021
    • Pyramid Firepits LLC
    • Sean Poggi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Duel-fuel fireplace apparatus

    • Patent number 10,612,786
    • Issue date Apr 7, 2020
    • Michael Aaron Semerad
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Atmospheric gas burner and control system

    • Patent number 5,391,074
    • Issue date Feb 21, 1995
    • John Meeker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method of modifying masonry furnace by inserting electric heating e...

    • Patent number 5,377,297
    • Issue date Dec 27, 1994
    • Suomen Vuolukivi Oy
    • Pekka Nuutinen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Zero clearance fireplace

    • Patent number 5,307,801
    • Issue date May 3, 1994
    • Wolf Steel Ltd.
    • Wolfgang Schroeter
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot water heating installation

    • Patent number 4,584,985
    • Issue date Apr 29, 1986
    • Ruegg Chemineebau AG
    • Walter Ruegg
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fuel element and fireplace constructions using same

    • Patent number 4,557,687
    • Issue date Dec 10, 1985
    • Hans-Ludwig Schirneker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fireplace for heating indoor spaces and water for sanitary use

    • Patent number 4,436,079
    • Issue date Mar 13, 1984
    • Domenico Piazzetta
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Electrical unit for stoves, fireplaces and like devices

    • Patent number 4,365,142
    • Issue date Dec 21, 1982
    • Luftkonditionering AB
    • Arne Alin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Gas fired fireplace insert with heat extractor

    • Patent number 4,291,670
    • Issue date Sep 29, 1981
    • Everett C. Hyatt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Electric furnace fireplace

    • Patent number 4,253,444
    • Issue date Mar 3, 1981
    • Richard Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot water boiler

    • Patent number 4,231,350
    • Issue date Nov 4, 1980
    • Dean E. Marsh
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Forced air fireplace furnace

    • Patent number 4,230,268
    • Issue date Oct 28, 1980
    • Ralph E. Gorman
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3842821

    • Patent number 3,842,821
    • Issue date Oct 22, 1974
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3635211

    • Patent number 3,635,211
    • Issue date Jan 18, 1972
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3181526

    • Patent number 3,181,526
    • Issue date May 4, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3175552

    • Patent number 3,175,552
    • Issue date Mar 30, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3159157

    • Patent number 3,159,157
    • Issue date Dec 1, 1964
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3096754

    • Patent number 3,096,754
    • Issue date Jul 9, 1963
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2796858

    • Patent number 2,796,858
    • Issue date Jun 25, 1957
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2791213

    • Patent number 2,791,213
    • Issue date May 7, 1957
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2471351

    • Patent number 2,471,351
    • Issue date May 24, 1949
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2154939

    • Patent number 2,154,939
    • Issue date Apr 18, 1939
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2077599

    • Patent number 2,077,599
    • Issue date Apr 20, 1937
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2024452

    • Patent number 2,024,452
    • Issue date Dec 17, 1935
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2015485

    • Patent number 2,015,485
    • Issue date Sep 24, 1935
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1822091

    • Patent number 1,822,091
    • Issue date Sep 8, 1931
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Fire Pit and Method of Use

    • Publication number 20210199301
    • Publication date Jul 1, 2021
    • Pyramid Firepits LLC
    • Sean Poggi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Fire Pit and Method of Use

    • Publication number 20210063017
    • Publication date Mar 4, 2021
    • Pyramid Firepits LLC
    • Sean Poggi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Duel-Fuel Fireplace Apparatus

    • Publication number 20200191400
    • Publication date Jun 18, 2020
    • Michael Aaron Semerad
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Duel-Fuel Fireplace Apparatus

    • Publication number 20190277503
    • Publication date Sep 12, 2019
    • Michael Aaron Semerad
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Duel-Fuel Fireplace Apparatus

    • Publication number 20190277504
    • Publication date Sep 12, 2019
    • FIREXCHANGE LLC
    • Michael Aaron Semerad
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    OPEN HEARTH FIREPLACE SYSTEMS AND METHODS

    • Publication number 20190212011
    • Publication date Jul 11, 2019
    • HNI Technologies Inc.
    • Colin McCormick
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HELICAL FUEL BURNER

    • Publication number 20140290643
    • Publication date Oct 2, 2014
    • Stephen Potter
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Liquid-Fuel Burner with Brick Member

    • Publication number 20120260905
    • Publication date Oct 18, 2012
    • JENSEN METAL PRODUCTS, INC.
    • Seth Jensen
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Ceramic gas fired hearth burner

    • Publication number 20030008253
    • Publication date Jan 9, 2003
    • Bruce W. Unruh
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Vaporizing burner

    • Publication number 20010044088
    • Publication date Nov 22, 2001
    • Fernand Haag
    • F24 - HEATING RANGES VENTILATING