CPC Subgroup
B01F 27/701 comprising two or more shafts, e.g. in consecutive mixing chambers
Full Title
Mixers with rotary stirring devices in fixed receptacles (magnetic mixers B01F33/45); Kneaders > with stirrers rotating about a horizontal or inclined axis > with paddles, blades or arms > comprising two or more shafts, e.g. in consecutive mixing chambers
5 direct subcodes
Child Classifications
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- B01F 27/702 with intermeshing paddles
- B01F 27/703 with stirrers rotating at different speeds
- B01F 27/704 with stirrers facing each other, i.e. supported by opposite walls of the receptacle
- B01F 27/705 with stirrers rotating in opposite directions about the same axis, e.g. with a first stirrer surrounded by a tube inside a second stirrer
- B01F 27/706 with all the shafts in the same receptacle (B01F27/702-B01F27/705 take precedence)
Top Applicants
Top 10 applicants by patent filingsfor 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