IPC Main Group
F04B 45/00 Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- Subclass:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
4 direct subcodes
Child Classifications
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- F04B 45/02 having bellows
- F04B 45/04 having plate-like flexible members, e.g. diaphragms
- F04B 45/06 having tubular flexible members
- F04B 45/08 having peristaltic action