CPC Main Group Additional Only
F23B 2900/00 Special features of, or arrangements for combustion apparatus using solid fuels; Combustion processes therefor
6 direct subcodes
Child Classifications
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- F23B 2900/00001 Combustion chambers with integrated fuel hopper
- F23B 2900/00003 Combustion devices specially adapted for burning metal fuels, e.g. Al or Mg
- F23B 2900/00004 Means for generating pulsating combustion of solid fuel
- F23B 2900/00005 Means for applying acoustical energy to flame
- F23B 2900/00006 Means for applying electricity to flame, e.g. an electric field
- F23B 2900/99001 Retrofitting or converting solid fuel stoves to gas or liquid fuels
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