IPC Subgroup
F02M 37/32 characterised by filters or filter arrangements
Introduced: January 2019
Full Title
Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines > Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system > characterised by filters or filter arrangements
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
10 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F02M 37/34 by the filter structure, e.g. honeycomb, mesh or fibrous
- F02M 37/36 with bypass means
- F02M 37/38 with regeneration means
- F02M 37/4 with means for detection of clogging
- F02M 37/42 Installation or removal of filters
- F02M 37/44 Filters structurally associated with pumps
- F02M 37/46 Filters structurally associated with pressure regulators
- F02M 37/48 Filters structurally associated with fuel valves
- F02M 37/5 Filters arranged in or on fuel tanks
- F02M 37/52 using magnetic means
Top Applicants
Top 10 applicants by patent filingsfor 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