IPC Subgroup
B01F 27/805 wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
Introduced: January 2022
Full Title
Mixers with rotary stirring devices in fixed receptacles; Kneaders > with stirrers rotating about a substantially vertical axis > wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
2 direct subcodes
Child Classifications
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- B01F 27/806 with vertical displacement of the stirrer, e.g. in combination with means for pivoting the stirrer about a vertical axis in order to co-operate with different receptacles
- B01F 27/807 with the stirrer-head pivoting about a horizontal axis to bring it in and out of operative position, e.g. with receptacles pivoting about a horizontal axis for emptying
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