B08B 3/10 with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
Introduced: September 1968
Full Title
Full titles differ between systems:
Cleaning by methods involving the use or presence of liquid or steam > 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
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
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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- B08B 3/14 Removing waste, e.g. labels, from cleaning liquid since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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