Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B01J 8/28

the one above the other

Full Title

Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes > with fluidised particles > according to "fluidised-bed" technique (B01J8/20 takes precedence) > with two or more fluidised beds, e.g. reactor and regeneration installations > the one above the other

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • B01J 8/30 the edge of a lower bed projecting beyond the edge of the superjacent bed

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