CPC Subgroup
C10J 3/32 Devices for distributing fuel evenly over the bed or for stirring up the fuel bed
Full Title
Production of combustible gases containing carbon monoxide from solid carbonaceous fuels (destructive distillation processes C10B) > Fixed-bed gasification of lump fuel > Apparatus; Plants > Devices for distributing fuel evenly over the bed or for stirring up the fuel bed
Top Applicants
Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
- SAUDI ARABIAN OIL COMPANY SA 2,918
- IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
- EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
- SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
- CHEVRON CORPORATION US 1,400
- PETROCHINA COMPANY 1,372
- LUBRIZOL CORPORATION US 1,324