CPC Main Group Additional Only
F02B 2730/00 Internal-combustion engines with pistons rotating or oscillating with relation to the housing
Filing statistics
CPC F02B 2730/00 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
5 direct subcodes
Child Classifications
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- F02B 2730/01 with one or more pistons in the form of a disk or rotor rotating with relation to the housing; with annular working chamber
- F02B 2730/02 with piston rotating around its axis and having a reciprocating movement in a cylinder
- F02B 2730/03 with piston oscillating in a housing or in a space in the form of an annular sector
- F02B 2730/05 with pistons intermeshing as gear wheels; with helicoidal rotors
- F02B 2730/09 Arrangements or specially formed elements for engines according to the preceding groups
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