IPC Subgroup
F23K 5/18 Cleaning or purging devices, e.g. filters
Introduced: January 1990
Last revised: January 2006
Full Title
Feeding or distributing other fuel to combustion apparatus > Liquid fuel > Details thereof > Cleaning or purging devices, e.g. filters
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- FEEDING FUEL TO COMBUSTION APPARATUS