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CPC Main Group Additional Only
F23G 2900/00

Special features of, or arrangements for incinerators

36 direct subcodes

Child Classifications

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  • F23G 2900/00001 Exhaust gas recirculation
  • F23G 2900/50001 Combination of two or more furnaces
  • F23G 2900/50002 Burning with downwards directed draft through the waste mass
  • F23G 2900/50003 Waste oxidation, pyrolysis or gasification in water under supercritical conditions
  • F23G 2900/50004 Furnace with inclined hearth
  • F23G 2900/50005 Waste in combustion chamber supported on bed made of special materials
  • F23G 2900/50006 Combustion chamber walls reflecting radiant energy within the chamber
  • F23G 2900/50007 Co-combustion of two or more kinds of waste, separately fed into the furnace
  • F23G 2900/50008 Combustion of waste suspended or lifted by upward gas flows
  • F23G 2900/50009 Furnace with progressive waste movements in vertical or steeply inclined direction
  • F23G 2900/50201 Waste pyrolysis, gasification or cracking by indirect heat transfer
  • F23G 2900/50202 Waste pyrolysis, gasification or cracking in presence of catalysts
  • F23G 2900/50203 Waste pyrolysis, gasification or cracking in a mechanically fluidised bed, e.g. obtained by a centrifugal force
  • F23G 2900/50204 Waste pre-treatment by pyrolysis, gasification or cracking
  • F23G 2900/50205 Waste pre-treatment by pyrolysis, gasification or cracking followed by condensation of gas into combustible oil or fat
  • F23G 2900/50206 Pelletising waste before combustion
  • F23G 2900/50207 Thermoforming of plastic waste materials before combustion
  • F23G 2900/50208 Biologic treatment before burning, e.g. biogas generation
  • F23G 2900/50209 Compacting waste before burning
  • F23G 2900/50211 Evaporating, e.g. liquid waste before burning

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