Engines characterised by the introduction of liquid fuel into cylinders by use of auxiliary fluid

Filing statistics

CPC F02B 13/00 belongs to the parent subclass F02B, which recorded 73,405 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,207 in 2013 to 3,166 in 2023 (-56%), peaking at 9,245 applications in 2016. The most active applicants in class F02 are ROBERT BOSCH (8,801 applications), FORD GLOBAL TECHNOLOGIES (8,171 applications) and GE (GENERAL ELECTRIC COMPANY) (6,957 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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F02B 13/02 Compression ignition engines using air or gas for blowing fuel into compressed air in cylinder
F02B 13/06 Engines having secondary air mixed with fuel in pump, compressed therein without ignition, and fuel-air mixture being injected into air in cylinder
F02B 13/10 Use of specific auxiliary fluids, e.g. steam, combustion gas

Top Applicants

Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT

ROBERT BOSCH DE 8,801
FORD GLOBAL TECHNOLOGIES US 8,171
GE (GENERAL ELECTRIC COMPANY) US 6,957
HYUNDAI MOTOR COMPANY KR 5,390
UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
TOYOTA MOTOR CORPORATION JP 5,214
TOYOTA MOTOR CORPORATION 4,149
DENSO CORPORATION JP 3,400
KIA MOTORS CORPORATION KR 3,388
SAFRAN AIRCRAFT ENGINES FR 3,332