IPC Main Group
F04B 37/00 Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups
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: For raising fluid from great depths
3 direct subcodes
Child Classifications
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- F04B 37/02 for evacuating by absorption or adsorption
- F04B 37/06 for evacuating by thermal means
- F04B 37/1 for special use