with co-axial cones or louvres

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for preventing crosswind interference in induc...

    • Patent number 9,233,386
    • Issue date Jan 12, 2016
    • Dyna-Tech Sales Corporation
    • Brian J. Mornan
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Chimney cap apparatus and method

    • Patent number 7,179,164
    • Issue date Feb 20, 2007
    • European Copper, L.L.C.
    • John G. Arnold, Jr.
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Acoustic wind band

    • Patent number 6,431,974
    • Issue date Aug 13, 2002
    • Met Pro Corporation
    • Paul Antony Tetley
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Ventilator for easy assembly and improved exhaust of indoor air

    • Patent number 6,190,251
    • Issue date Feb 20, 2001
    • Tai Up Park
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Inlet/exhaust structure for an outdoor furnace

    • Patent number 5,997,295
    • Issue date Dec 7, 1999
    • Modine Manufacturing Company
    • Norman E. Mattson
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Direct vent fireplace

    • Patent number 5,715,808
    • Issue date Feb 10, 1998
    • Temco Fireplace Products, Inc.
    • Murray O. Wilhoite
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Flue terminal gas extractor

    • Patent number 4,603,619
    • Issue date Aug 5, 1986
    • Andre Amphoux
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Static, dynamic and mechanical aspirator for a gaseous fluid

    • Patent number 4,462,305
    • Issue date Jul 31, 1984
    • Andre Amphoux
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Stack draft stabilizing device

    • Patent number 4,397,225
    • Issue date Aug 9, 1983
    • Perform, Inc.
    • Lawrence C. Patton
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Plume elimination mechanism

    • Patent number 4,184,417
    • Issue date Jan 22, 1980
    • Ford Motor Company
    • Richard A. Chancellor
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    3309979

    • Patent number 3,309,979
    • Issue date Mar 21, 1967
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2478761

    • Patent number 2,478,761
    • Issue date Aug 9, 1949
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2427413

    • Patent number 2,427,413
    • Issue date Sep 16, 1947
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1430599

    • Patent number 1,430,599
    • Issue date Oct 3, 1922
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    629019

    • Patent number 629,019
    • Issue date Jul 18, 1899
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    317718

    • Patent number 317,718
    • Issue date May 12, 1885
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents