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CPC Subgroup
B01F 27/95

with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis

Full Title

Mixers with rotary stirring devices in fixed receptacles (magnetic mixers B01F33/45); Kneaders > with stirrers rotating about a substantially vertical axis > with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis

3 direct subcodes

Child Classifications

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  • B01F 27/952 the stirrers being cylinders with their circumference in contact with the bottom of the receptacle and rotating about an axis at an angle to the sun axis, e.g. mixers of the Muller type

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