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DIFF Subgroup
B01F 35/80

Forming a predetermined ratio of the substances to be mixed (controlling ratio of two or more flows of fluid or fluent material G05D11/02)

Introduced: January 2022

Title

Titles differ between systems:

IPC: Forming a predetermined ratio of the substances to be mixed

CPC: Forming a predetermined ratio of the substances to be mixed (controlling ratio of two or more flows of fluid or fluent material G05D11/02)

Full Title

Full titles differ between systems:

IPC:

Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application > Forming a predetermined ratio of the substances to be mixed

CPC:

Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application > Forming a predetermined ratio of the substances to be mixed (controlling ratio of two or more flows of fluid or fluent material G05D11/02)

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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  • B01F 35/81 Forming mixtures with changing ratios or gradients since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/82 by adding a material to be mixed to a mixture in response to a detected feature, e.g. density, radioactivity, consumed power or colour since 2022 IPC+CPC Available in IPC and CPC
  • B01F 35/894 CPC only CPC only
  • B01F 35/896 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