IPC Subgroup
B01F 27/7 with paddles, blades or arms
Introduced: January 2022
Full Title
Mixers with rotary stirring devices in fixed receptacles; Kneaders > with stirrers rotating about a horizontal or inclined axis > with paddles, blades or arms
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B01F 27/701 comprising two or more shafts, e.g. in consecutive mixing chambers
- B01F 27/707 the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall
- B01F 27/708 characterised by the shape of the stirrer as a whole, i.e. of Z- or S-shape
Top Applicants
Top 10 applicants by patent filingsfor 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