CPC Subgroup
B08B 3/106 Full Title
Cleaning by methods involving the use or presence of liquid or steam (B08B9/00 takes precedence) > Cleaning involving contact with liquid > with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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