IPC Subgroup
B01F 27/112 with arms, paddles, vanes or blades
Introduced: January 2022
Full Title
Mixers with rotary stirring devices in fixed receptacles; Kneaders > Stirrers > characterised by the configuration of the stirrers > with arms, paddles, vanes or blades
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
7 direct subcodes
Child Classifications
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- B01F 27/1121 pin-shaped
- B01F 27/1122 anchor-shaped
- B01F 27/1123 sickle-shaped, i.e. curved in at least one direction
- B01F 27/1124 rake-shaped or grid-shaped
- B01F 27/1125 with vanes or blades extending parallel or oblique to the stirrer axis
- B01F 27/1126 the stirrer being a bent rod supported at one end only
- B01F 27/1127 spoon-shaped
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