CPC Class Not Allocatable
B08 CLEANING
Description
B08 encompasses apparatus and methods for removing unwanted substances (dirt, dust, contaminants, coatings) from surfaces, objects, or spaces through mechanical, chemical, thermal, or combined means. This class covers cleaning technologies ranging from manual tools and portable equipment to industrial systems, including surface cleaning, tank/vessel cleaning, and environmental decontamination applications. The class excludes specialized cleaning integral to specific manufacturing processes (classified in the relevant technology sections) and human body hygiene (classified under A61).
1 direct subcode
Child Classifications
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- B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
Top Applicants
Top 10 applicants by patent filings, 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