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CPC Subgroup
B01F 29/60

rotating about a horizontal or inclined axis, e.g. drum mixers

Full Title

Mixers with rotating receptacles > rotating about a horizontal or inclined axis, e.g. drum mixers

4 direct subcodes

Child Classifications

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  • B01F 29/62 without bars, i.e. without mixing elements; characterised by the shape or cross section of the receptacle, e.g. of Y-, Z-, S- or X- shape; with cylindrical receptacles rotating about an axis at an angle to their longitudinal axis
  • B01F 29/63 with fixed bars, i.e. stationary, or fixed on the receptacle
  • B01F 29/64 with stirring devices moving in relation to the receptacle, e.g. rotating

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