CPC Subgroup
B08B 3/006 Full Title
Cleaning by methods involving the use or presence of liquid or steam (B08B9/00 takes precedence)
Filing statistics
CPC B08B 3/006 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
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