Details of combustion chambers, not otherwise provided for

Filing statistics

IPC F23M 20/00 belongs to the parent subclass F23M, which recorded 8,715 patent applications worldwide between 2013 and 2023. Annual filings grew from 534 in 2013 to 934 in 2023 (+75%), peaking at 1,109 applications in 2020. The most active applicants in class F23 are GE (GENERAL ELECTRIC COMPANY) (2,124 applications), XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY (1,369 applications) and NINGBO FOTILE KITCHENWARE COMPANY (1,363 applications).

Source: EPO PATSTAT, worldwide filings

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 ,