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DIFF Subgroup
B01F 35/50

Mixing receptacles

Introduced: January 2022

Full Title

Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application > Mixing receptacles

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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  • B01F 35/51 characterised by their material since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/511 provided with liners, e.g. wear resistant or flexible liners since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/512 characterised by surface properties, e.g. coated or rough since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/513 Flexible receptacles, e.g. bags supported by rigid containers since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/514 CPC only CPC only
  • B01F 35/54 CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
  2. CHINESE ACADEMY OF SCIENCES 11,733
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
  4. LG CHEM KR 3,367
  5. PETROCHINA COMPANY 3,224
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
  7. ZHEJIANG UNIVERSITY 2,890
  8. MANN + HUMMEL DE 2,740
  9. JOHNSON MATTHEY GB 2,534
  10. SAUDI ARABIAN OIL COMPANY SA 2,527

Top Applicants (CPC)

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