DIFF Main Group
F02B 19/00 Engines characterised by precombustion chambers
Introduced: September 1968
Of 9 combined children, 7 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02B 19/02 the chamber being periodically isolated from its cylinder IPC+CPC Available in IPC and CPC
- F02B 19/06 with auxiliary piston in chamber for transferring ignited charge to cylinder space IPC+CPC Available in IPC and CPC
- F02B 19/10 with fuel introduced partly into pre-combustion chamber, and partly into cylinder +3 CPC IPC+CPC Available in IPC and CPC
- F02B 19/12 with positive ignition (engines with non-timed positive ignition, and with incandescent chambers F02B9/08) IPC+CPC Available in IPC and CPC
- F02B 19/16 Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F02,2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 8,687
- ROBERT BOSCH DE 8,328
- FORD GLOBAL TECHNOLOGIES US 7,423
- GE (GENERAL ELECTRIC COMPANY) US 5,732
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
- HYUNDAI MOTOR COMPANY KR 4,699
- TOYOTA MOTOR CORPORATION JP 4,541
- DENSO CORPORATION 3,711
- WEICHAI POWER COMPANY 3,486
- SAFRAN AIRCRAFT ENGINES FR 3,249
Top Applicants (CPC)
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