CPC Subgroup
B08B 17/02 Preventing deposition of fouling or of dust
Full Title
Methods preventing fouling > Preventing deposition of fouling or of dust
Filing statistics
CPC B08B 17/02 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
3 direct subcodes
Child Classifications
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- B08B 17/04 by using removable coverings
- B08B 17/06 by giving articles subject to fouling a special shape or arrangement
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