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CPC Subgroup
B01F 25/4521

Full Title

Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04) > Static mixers (colloid-mills B02C; mixing valves F16K11/00) > Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads (B01F25/44 takes precedence) > characterised by elements provided with orifices or interstitial spaces

2 direct subcodes

Child Classifications

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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