essentially based on materials of non-mineral origin

Full Title

Solid fuels (produced by solidifying fluid fuels C10L7/00; peat briquettes C10F7/06) > essentially based on materials of non-mineral origin

Filing statistics

CPC C10L 5/40 belongs to the parent subclass C10L, which recorded 46,608 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,317 in 2013 to 2,753 in 2023 (-36%), peaking at 5,650 applications in 2016. The most active applicants in class C10 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (5,831 applications), SAUDI ARABIAN OIL COMPANY (2,918 applications) and IFPEN (IFP ENERGIES NOUVELLES) (2,305 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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C10L 5/403
C10L 5/406
C10L 5/42 on animal substances or products obtained therefrom
C10L 5/44 on vegetable substances
C10L 5/46 on sewage, house, or town refuse
C10L 5/48 on industrial residues and waste materials

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