IPC Subgroup
F04B 43/06 Pumps having fluid drive
Introduced: September 1968
Last revised: January 2006
Full Title
Machines, pumps, or pumping installations having flexible working members > having plate-like flexible members, e.g. diaphragms > Pumps having fluid drive
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
Navigate with arrow keys, Enter to open
- F04B 43/067 the fluid being actuated directly by a piston
- F04B 43/073 the actuating fluid being controlled by at least one valve
Top Applicants
Top 10 applicants by patent filingsfor class F04, 2013–2023, worldwide · Source: EPO PATSTAT
- GREE ELECTRIC APPLIANCES 5,351
- LG ELECTRONICS KR 3,502
- ROBERT BOSCH DE 3,011
- MIDEA 2,258
- MITSUBISHI ELECTRIC CORPORATION JP 1,663
- ZHUHAI LANDA COMPRESSOR COMPANY 1,639
- GREE ELECTRIC APPLIANCES, INC.OF ZHUHAI 1,573
- ZHUHAI GREE ENERGY-SAVING REFRIGERATION TECHNOLOGY RESEARCH CENTER COMPANY 1,536
- TOYOTA INDUSTRIES CORPORATION 1,347
- DAIKIN INDUSTRIES 1,325