CPC Main Group
B08B 1/00 Cleaning by methods involving the use of tools (cleaning hollow articles by methods or apparatus specially adapted thereto B08B9/00)
Filing statistics
CPC B08B 1/00 belongs to the parent subclass B08B, which recorded 210,638 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,498 in 2013 to 24,988 in 2023 (+285%), peaking at 32,580 applications in 2020. The most active applicants in class B08 are TOKYO ELECTRON (982 applications), SCREEN HOLDINGS (980 applications) and APPLIED MATERIALS (739 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
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- B08B 1/10 characterised by the type of cleaning tool
- B08B 1/20 Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
- B08B 1/30 by movement of cleaning members over a surface
- B08B 1/40 Cleaning tools with integrated means for dispensing fluids, e.g. water, steam or detergents (cleaning by the force of jets or sprays B08B3/02)
- B08B 1/50 involving cleaning of the cleaning members
Top Applicants
Top 10 applicants by patent filingsfor class B08, 2013–2023, worldwide · Source: EPO PATSTAT
- TOKYO ELECTRON JP 982
- SCREEN HOLDINGS JP 980
- APPLIED MATERIALS US 739
- SGCC(STATE GRID CORPORATION OF CHINA) 721
- SEMES COMPANY KR 691
- ECOLAB US 515
- SCREEN HOLDINGS 510
- TOKYO ELECTRON 505
- PHILIPS ELECTRONICS NL 493
- EBARA CORPORATION JP 475