IPC Subgroup
F01K 21/06 Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine
Introduced: September 1968
Last revised: January 2006
Full Title
Steam engine plants not otherwise provided for > Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES