IPC Subgroup
F23C 10/18 Details; Accessories
Introduced: January 2000
Last revised: January 2006
Full Title
Apparatus in which combustion takes place in a fluidised bed of fuel or other particles > Details; Accessories
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN AIR
4 direct subcodes
Child Classifications
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- F23C 10/2 Inlets for fluidisation air, e.g. grids; Bottoms
- F23C 10/22 Fuel feeders specially adapted for fluidised bed combustion apparatus
- F23C 10/24 Devices for removal of material from the bed
- F23C 10/28 Control devices specially adapted for fluidised bed combustion apparatus
Top Applicants
Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,124
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 1,369
- NINGBO FOTILE KITCHENWARE COMPANY 1,363
- SIEMENS DE 997
- UNITED TECHNOLOGIES CORPORATION (UTC) US 937
- GE (GENERAL ELECTRIC COMPANY) 898
- VATTI 815
- CHINESE ACADEMY OF SCIENCES 719
- RINNAI COMPANY 708
- MITSUBISHI HITACHI POWER SYSTEMS 670