CPC Main Group Additional Only
F23M 2900/00 Special features of, or arrangements for combustion chambers
14 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F23M 2900/05001 Preventing corrosion by using special lining materials or other techniques
- F23M 2900/05002 Means for accommodate thermal expansion of the wall liner
- F23M 2900/05003 Details of manufacturing specially adapted for combustion chambers
- F23M 2900/05004 Special materials for walls or lining
- F23M 2900/05005 Sealing means between wall tiles or panels
- F23M 2900/05021 Wall blocks adapted for burner openings
- F23M 2900/09061 Moving baffles, e.g. rotating baffles, for creating vortices
- F23M 2900/09062 Tube-shaped baffles confining the flame
- F23M 2900/11021 Means for avoiding accidental fires in rooms where the combustion device is located
- F23M 2900/11041 Means for observing or monitoring flames using photoelectric devices, e.g. phototransistors
- F23M 2900/13001 Energy recovery by fuel cells arranged in the combustion plant
- F23M 2900/13002 Energy recovery by heat storage elements arranged in the combustion chamber
- F23M 2900/13003 Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant
- F23M 2900/13004 Energy recovery by thermo-photo-voltaic [TPV] elements arranged in the combustion plant
Top Applicants
Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,581
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
- SIEMENS DE 1,157
- GE (GENERAL ELECTRIC COMPANY) 994
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
- MITSUBISHI HEAVY INDUSTRIES JP 701
- MITSUBISHI HITACHI POWER SYSTEMS JP 695
- RAYTHEON TECHNOLOGIES CORPORATION US 587
- NINGBO FOTILE KITCHENWARE COMPANY 543
- GENERAL ELECTRIC TECHNOLOGY CH 490