CPC Main Group
F02B 19/00 Engines characterised by precombustion chambers
Filing statistics
CPC F02B 19/00 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
9 direct subcodes
Child Classifications
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- F02B 19/02 the chamber being periodically isolated from its cylinder
- F02B 19/06 with auxiliary piston in chamber for transferring ignited charge to cylinder space
- F02B 19/08 the chamber being of air-swirl type
- F02B 19/10 with fuel introduced partly into pre-combustion chamber, and partly into cylinder
- F02B 19/12 with positive ignition (engines with non-timed positive ignition, and with incandescent chambers F02B9/08)
- F02B 19/14 with compression ignition
- F02B 19/16 Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
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