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CPC Main Group Additional Only
F23D 2900/00

Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas

51 direct subcodes

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  • F23D 2900/00001 local catalytic coatings applied to burner surfaces
  • F23D 2900/00002 Cleaning burner parts, e.g. burner tips
  • F23D 2900/00003 Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
  • F23D 2900/00004 Burners specially adapted for generating high luminous flames, e.g. yellow for fuel-rich mixtures
  • F23D 2900/00006 Liquid fuel burners using pure oxygen or oxygen-enriched air as oxidant
  • F23D 2900/00008 Burner assemblies with diffusion and premix modes, i.e. dual mode burners
  • F23D 2900/00011 Burner with means for propagating the flames along a wall surface
  • F23D 2900/00014 Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines
  • F23D 2900/00015 Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability
  • F23D 2900/00016 Preventing or reducing deposit build-up on burner parts, e.g. from carbon
  • F23D 2900/00017 Assembled burner modules
  • F23D 2900/00018 Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube
  • F23D 2900/00019 Outlet manufactured from knitted fibres
  • F23D 2900/01001 Pulverised solid fuel burner with means for swirling the fuel-air mixture
  • F23D 2900/03081 Catalytic wick burners
  • F23D 2900/03082 Wick made of specific material, e.g. ceramic
  • F23D 2900/05001 Burner using gel type fuel
  • F23D 2900/05002 Use of porous members to convert liquid fuel into vapor
  • F23D 2900/11001 Impinging-jet injectors or jet impinging on a surface

Top Applicants

Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,581
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
  3. SIEMENS DE 1,157
  4. GE (GENERAL ELECTRIC COMPANY) 994
  5. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
  6. MITSUBISHI HEAVY INDUSTRIES JP 701
  7. MITSUBISHI HITACHI POWER SYSTEMS JP 695
  8. RAYTHEON TECHNOLOGIES CORPORATION US 587
  9. NINGBO FOTILE KITCHENWARE COMPANY 543
  10. GENERAL ELECTRIC TECHNOLOGY CH 490