DIFF Main Group
B01F 35/00 Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
Introduced: January 2022
Of 16 combined children, 11 exist in both systems.
5 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2022.
Child Classifications
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- B01F 35/30 Driving arrangements; Transmissions; Couplings; Brakes since 2022 +2 CPC IPC+CPC Available in IPC and CPC
- B01F 35/40 Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor since 2022 IPC+CPC Available in IPC and CPC
- B01F 35/45 Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor since 2022 +4 CPC IPC+CPC Available in IPC and CPC
- B01F 35/71 Feed mechanisms (with proportioning B01F35/80) since 2022 +7 CPC IPC+CPC Available in IPC and CPC
- B01F 35/80 Forming a predetermined ratio of the substances to be mixed (controlling ratio of two or more flows of fluid or fluent material G05D11/02) since 2022 +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B01,2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
- CHINESE ACADEMY OF SCIENCES 11,733
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
- LG CHEM KR 3,367
- PETROCHINA COMPANY 3,224
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
- ZHEJIANG UNIVERSITY 2,890
- MANN + HUMMEL DE 2,740
- JOHNSON MATTHEY GB 2,534
- SAUDI ARABIAN OIL COMPANY SA 2,527
Top Applicants (CPC)
Class B01,2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
- CHINESE ACADEMY OF SCIENCES 8,352
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
- LG CHEM KR 4,290
- SAUDI ARABIAN OIL COMPANY SA 3,444
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
- DOW GLOBAL TECHNOLOGIES US 3,195
- MANN + HUMMEL DE 2,822
- JOHNSON MATTHEY GB 2,802
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737