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CPC Subgroup
B01F 25/50

Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle

Full Title

Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04) > Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle

4 direct subcodes

Child Classifications

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  • B01F 25/51 in which the mixture is circulated through a set of tubes, e.g. with gradual introduction of a component into the circulating flow
  • B01F 25/52 with a rotary stirrer in the recirculation tube
  • B01F 25/53 in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
  • B01F 25/54 provided with a pump inside the receptacle to recirculate the material within the receptacle

Top Applicants

Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
  2. CHINESE ACADEMY OF SCIENCES 8,352
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
  4. LG CHEM KR 4,290
  5. SAUDI ARABIAN OIL COMPANY SA 3,444
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
  7. DOW GLOBAL TECHNOLOGIES US 3,195
  8. MANN + HUMMEL DE 2,822
  9. JOHNSON MATTHEY GB 2,802
  10. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737