F02B 31/00 Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Modifying induction systems for imparting a rotation to the charge in the cylinder
CPC: Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10)
Full Title
Full titles differ between systems:
Modifying induction systems for imparting a rotation to the charge in the cylinder
Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02B 31/02 in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence) IPC+CPC Available in IPC and CPC
- F02B 31/04 by means within the induction channel, e.g. deflectors since 1995 +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