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IPC Main Group
F23M 20/00

Details of combustion chambers, not otherwise provided for

Introduced: January 2014

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION APPARATUS; COMBUSTION PROCESSES
Subclass:
CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR

Additional Content

Details of steam boilers , e.g. Mounting or disposition of burners Supplying air or non-combustible liquids or gases , Details of fluidised bed combustion apparatus Burners Details specially adapted for apparatus for combustion of waste or low-grade fuels, e.g. incinerators Grates; Cleaning or raking grates Removal or treatment of combustion products or combustion residues Feeding fuel Casings, linings, walls or doors - Devices for deflecting air, flames or combustion products Safety arrangements Ignition Details of stoves or ranges burning solid fuels , Details of stoves or ranges burning fuels other than solid fuels , e.g. Details of fluid heaters, e.g., heating boilers Details of furnaces, kilns, ovens or retorts ,

Top Applicants

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

  1. GE (GENERAL ELECTRIC COMPANY) US 2,124
  2. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 1,369
  3. NINGBO FOTILE KITCHENWARE COMPANY 1,363
  4. SIEMENS DE 997
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 937
  6. GE (GENERAL ELECTRIC COMPANY) 898
  7. VATTI 815
  8. CHINESE ACADEMY OF SCIENCES 719
  9. RINNAI COMPANY 708
  10. MITSUBISHI HITACHI POWER SYSTEMS 670