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DIFF Subgroup
B01F 25/441

characterised by the configuration of the surfaces forming the slits

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Flow mixers; Mixers for falling materials, e.g. solid particles > Static mixers > Mixers in which the components are pressed through slits > characterised by the configuration of the surfaces forming the slits

CPC:

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 components are pressed through slits > characterised by the configuration of the surfaces forming the slits

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Child Classifications

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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