IPC Main Group
F01B 19/00 Positive-displacement machines or engines of flexible-wall type
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
2 direct subcodes
Child Classifications
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- F01B 19/02 with plate-like flexible members
- F01B 19/04 with tubular flexible members