IPC Subgroup
F04B 23/04 Combinations of two or more pumps
Introduced: September 1968
Last revised: January 2006
Full Title
Pumping installations or systems > Combinations of two or more pumps
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
2 direct subcodes
Child Classifications
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- F04B 23/06 the pumps being all of reciprocating positive-displacement type
- F04B 23/08 the pumps being of different types