F04B 35/01 the means being mechanical
Introduced: January 1995
Last revised: January 2006
Full Title
Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for > the means being mechanical
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
Filing statistics
IPC F04B 35/01 belongs to the parent subclass F04B, which recorded 172,314 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,823 in 2013 to 18,441 in 2023 (+70%), peaking at 20,061 applications in 2020. The most active applicants in class F04 are GREE ELECTRIC APPLIANCES (5,351 applications), LG ELECTRONICS (3,502 applications) and ROBERT BOSCH (3,011 applications).
Source: EPO PATSTAT, worldwide filings
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