IPC Main Group
B08B 6/00 Cleaning by electrostatic means
Introduced: July 1974
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CLEANING
- Subclass:
- CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
Additional Content
Domestic cleaning implements functioning electrostatically Cleaning of grooved record carriers Electrostatic separation of solid materials
Top Applicants
Top 10 applicants by patent filingsfor class B08, 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