Specified use or application for which the lubricating composition is intended

Introduced: January 1985

Last revised: January 2006

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
Subclass:: INDEXING SCHEME ASSOCIATED WITH SUBCLASS

Filing statistics

IPC C10N 40/00 belongs to the parent subclass C10N, which recorded 26,702 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,426 in 2013 to 1,919 in 2023 (-21%), peaking at 3,038 applications in 2016. The most active applicants in class C10 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (8,875 applications), SAUDI ARABIAN OIL COMPANY (2,245 applications) and PETROCHINA COMPANY (2,028 applications).

Source: EPO PATSTAT, worldwide filings

13 direct subcodes

Child Classifications

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C10N 40/02 Bearings
C10N 40/04 Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
C10N 40/06 Instruments or other precision apparatus, e.g. damping fluids
C10N 40/08 Hydraulic fluids, e.g. brake-fluids
C10N 40/1 Running-in oil
C10N 40/12 Gas-turbines
C10N 40/14 Electric or magnetic purposes
C10N 40/2 Metal working
C10N 40/25 Internal-combustion engines
C10N 40/3 Refrigerator lubricant
C10N 40/32 Wire, rope or cable lubricants
C10N 40/34 Lubricating-sealants
C10N 40/36 Release agents

Top Applicants

Top 10 applicants by patent filingsfor class C10, 2013–2023, worldwide · Source: EPO PATSTAT

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