IPC Main Group
F04B 47/00 Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
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 47/02 the driving mechanisms being situated at ground level
- F04B 47/06 having motor-pump units situated at great depth
- F04B 47/12 having free plunger lifting the fluid to the surface
- F04B 47/14 Counterbalancing