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).
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL heading +7 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 1,817
- SCREEN HOLDINGS JP 591
- TOKYO ELECTRON JP 558
- CHONGQING RUNZE PHARMACEUTICAL COMPANY 547
- APPLIED MATERIALS US 506
- CHINESE ACADEMY OF SCIENCES 490
- SEMES COMPANY KR 464
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 411
- ECOLAB US 380
- PETROCHINA COMPANY 369
Top Applicants (CPC)
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