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
Introduced: January 2022
Full Title
Full titles differ between systems:
Mixers with rotary stirring devices in fixed receptacles; Kneaders > with stirrers rotating about a horizontal or inclined axis > with helices or sections of helices > 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
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 > 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
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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