CPC Subgroup
F02M 35/02 Air cleaners
Full Title
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners
9 direct subcodes
Child Classifications
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- F02M 35/022 acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
- F02M 35/024 using filters, e.g. moistened (F02M35/026 takes precedence; cleaning of the filtering material F02M35/08)
- F02M 35/026 acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters
- F02M 35/04 specially arranged with respect to engine ; Mounting thereon
- F02M 35/08 with means for removing dust, from cleaners; with means for indicating clogging; with by-pass means;
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