IPC Main Group
F04B 23/00 Pumping installations or systems
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
Scope Notes
Application references: Pumps for raising fluids from great depths
2 direct subcodes
Child Classifications
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- F04B 23/02 having reservoirs
- F04B 23/04 Combinations of two or more pumps