Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B01F 25/4314

with helical baffles

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Flow mixers; Mixers for falling materials, e.g. solid particles > Static mixers > in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions > Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction > Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor > with helical baffles

CPC:

Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04) > Static mixers (colloid-mills B02C; mixing valves F16K11/00) > in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions > Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction > Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor > with helical baffles

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

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