CPC Subgroup
B01F 27/72 with helices or sections of helices
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 helices or sections of helices
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B01F 27/721 with two or more helices in the same receptacle
- B01F 27/724 with a single helix closely surrounded by a casing
- B01F 27/726 with two helices with opposite pitch on the same shaft; with two helices on the same axis, driven in opposite directions or at different speeds
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