Multi-hearth furnaces with vertical axis

Patents Grantslast 30 patents

  • Information Patent Grant

    Multifunctional disposal apparatus

    • Patent number 6,715,431
    • Issue date Apr 6, 2004
    • Takashi Maejima
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Firebox furnace with automatic feeding system

    • Patent number 5,261,335
    • Issue date Nov 16, 1993
    • Leslie Blevins
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    3823677

    • Patent number 3,823,677
    • Issue date Jul 16, 1974
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES