DIFF Main Group
F02B 75/00 Other engines
Introduced: September 1968
Title
Titles differ between systems:
IPC: Other engines, e.g. single-cylinder engines
CPC: Other engines
Full Title
Full titles differ between systems:
IPC:
Other engines, e.g. single-cylinder engines
CPC:
Other engines
Of 16 combined children, 13 exist in both systems.
3 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02B 75/02 Engines characterised by their cycles, e.g. six-stroke +2 CPC IPC+CPC Available in IPC and CPC
- F02B 75/04 Engines with variable distances between pistons at top dead-centre positions and cylinder heads +5 CPC IPC+CPC Available in IPC and CPC
- F02B 75/08 Engines with means for preventing corrosion in gas-swept spaces IPC+CPC Available in IPC and CPC
- F02B 75/10 Engines with means for rendering exhaust gases innocuous (apparatus per se F01N3/00) IPC+CPC Available in IPC and CPC
- F02B 75/16 Engines characterised by number of cylinders, e.g. single-cylinder engines (F02B75/26 takes precedence) IPC+CPC Available in IPC and CPC
- F02B 75/26 Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis +1 CPC IPC+CPC Available in IPC and CPC
- F02B 75/28 Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (arranged oppositely relative to main shaft F02B75/24) +3 CPC IPC+CPC Available in IPC and CPC
- F02B 75/32 Engines characterised by connections between pistons and main shafts and not specific to preceding main groups IPC+CPC Available in IPC and CPC
- F02B 75/36 Engines with parts of combustion- or working-chamber walls resiliently yielding under pressure 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