IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridgesdevices for deflecting air, flames or combustion products in combustion chamberssafety arrangements specially adapted for combustion apparatusdetails of combustion chambers, not otherwise provided for
F23M 3/00 Firebridges
F23M 3/02 Firebridges modified for circulation of fluids, e.g. air, steam, water
F23M 3/04 Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam
F23M 3/06 Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam into or towards fire
F23M 3/08 Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam away from fire, e.g. towards smoke outlet
F23M 3/10 Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam transversely
F23M 3/12 Firebridges characterised by shape or construction
F23M 3/14 Firebridges characterised by shape or construction with apertures for passage of combustion products
F23M 3/16 Firebridges characterised by shape or construction built-up in sections, e.g. using bars or blocks
F23M 3/18 Firebridges characterised by shape or construction doubleFirebridges characterised by shape or construction multiple
F23M 3/20 Firebridges characterised by shape or construction comprising loose refractory material, wholly or in part
F23M 3/22 Firebridges movableFirebridges adjustable
F23M 5/00 CasingsLiningsWalls
F23M 5/02 CasingsLiningsWalls characterised by the shape of the bricks or blocks used
F23M 5/04 Supports for linings
F23M 5/06 Crowns or roofs for combustion chambers
F23M 5/08 Cooling thereofTube walls
F23M 7/00 Doors
F23M 7/02 Frames therefor
F23M 7/04 Cooling doors or door frames
F23M 9/00 Baffles or deflectors for air or combustion productsFlame shields
F23M 9/02 Baffles or deflectors for air or combustion productsFlame shields in air inlets
F23M 9/04 Baffles or deflectors for air or combustion productsFlame shields with air supply passages in the baffle or shield
F23M 9/06 Baffles or deflectors for air or combustion productsFlame shields in fire-boxes
F23M 9/08 Helical or twisted baffles or deflectors
F23M 9/10 Baffles or deflectors formed as tubes, e.g. in water-tube boilers
F23M 11/00 Safety arrangements
F23M 11/02 Preventing emission of flames or hot gases, or admission of air, through working or charging apertures
F23M 11/04 Means for supervising combustion, e.g. windows
F23M 20/00 Details of combustion chambers, not otherwise provided for
F23M 99/00 Subject matter not provided for in other groups of this subclass