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PCE
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DIFF Subgroup
C10B 47/02

with stationary charge

Introduced: September 1968

Full Title

Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion > with stationary charge

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C10B 47/04 in shaft furnaces IPC+CPC Available in IPC and CPC
  • C10B 47/06 in retorts IPC+CPC Available in IPC and CPC
  • C10B 47/08 in beehive ovens IPC+CPC Available in IPC and CPC
  • C10B 47/10 in coke ovens of the chamber type IPC+CPC Available in IPC and CPC
  • C10B 47/12 in which the charge is subjected to mechanical pressures during coking IPC+CPC Available in IPC and CPC
  • C10B 47/14 with the aid of hot liquids, e.g. molten salts IPC+CPC Available in IPC and CPC
  • C10B 47/16 with indirect heating means both inside and outside the retorts IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
  2. SAUDI ARABIAN OIL COMPANY SA 2,245
  3. PETROCHINA COMPANY 2,028
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
  5. IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
  7. CHINESE ACADEMY OF SCIENCES 1,829
  8. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
  9. LUBRIZOL CORPORATION US 1,277
  10. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268

Top Applicants (CPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
  2. SAUDI ARABIAN OIL COMPANY SA 2,918
  3. IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
  5. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
  8. CHEVRON CORPORATION US 1,400
  9. PETROCHINA COMPANY 1,372
  10. LUBRIZOL CORPORATION US 1,324