CPC Subgroup
B01F 27/21 characterised by their rotating shafts
Full Title
Mixers with rotary stirring devices in fixed receptacles (magnetic mixers B01F33/45); Kneaders > characterised by their rotating shafts
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B01F 27/211 characterised by the material of the shaft
- B01F 27/2121 composed of interconnected parts
- B01F 27/2122 Hollow shafts
- B01F 27/2123 Shafts with both stirring means and feeding or discharging means
- B01F 27/2124 Shafts with adjustable length, e.g. telescopic shafts
- B01F 27/213 characterised by the connection with the drive
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