IPC Main Group
B01F 33/00 Other mixers; Mixing plants; Combinations of mixers
Introduced: January 2022
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
Additional Content
Mixing or kneading machines for the preparation of dough with rollers Continuous mixing or kneading of plastics with mechanical mixing or kneading devices
11 direct subcodes
Child Classifications
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- B01F 33/05 Mixers using radiation, e.g. magnetic fields or microwaves to mix the material
- B01F 33/12 Mixers in which the mixing of the components is achieved by natural convection
- B01F 33/25 Mixers with loose mixing elements, e.g. loose balls in a receptacle
- B01F 33/3 Micromixers
- B01F 33/35 Mixing after turning the mixing vessel upside down
- B01F 33/4 Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F 33/45 Magnetic mixers; Mixers with magnetically driven stirrers
- B01F 33/5 Movable or transportable mixing devices or plants
- B01F 33/7 Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F 33/8 Mixing plants; Combinations of mixers
- B01F 33/87 Roll-type mixers
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