CPC Subgroup Additional Only
F23C 2206/10 Circulating fluidised bed
Full Title
Fluidised bed combustion > Circulating fluidised bed
3 direct subcodes
Child Classifications
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- F23C 2206/101 Entrained or fast fluidised bed
- F23C 2206/102 Control of recirculation rate
- F23C 2206/103 Cooling recirculating particles
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