IPC Subgroup
B01F 25/4 Static mixers
Introduced: January 2022
Full Title
Flow mixers; Mixers for falling materials, e.g. solid particles > Static mixers
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
Crushing, pulverizing or disintegrating, e.g. colloid mills Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B01F 25/41 Mixers of the fractal type
- B01F 25/42 in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F 25/44 Mixers in which the components are pressed through slits
- B01F 25/45 Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
- B01F 25/46 Homogenising or emulsifying nozzles
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