IPC Main Group
F23B 90/00 Combustion methods not related to a particular type of apparatus
Introduced: January 2006
Last revised: January 2011
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
2 direct subcodes
Child Classifications
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- F23B 90/02 Start-up techniques
- F23B 90/04 including secondary combustion