IPC Subgroup
F23K 3/08 for furnaces having movable grate bars
Introduced: September 1968
Last revised: January 2006
Full Title
Feeding or distributing of lump or pulverulent fuel to combustion apparatus > for furnaces having movable grate bars
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- FEEDING FUEL TO COMBUSTION APPARATUS