CPC Main Group Additional Only
F28F 2265/00 Safety or protection arrangements; Arrangements for preventing malfunction
14 direct subcodes
Child Classifications
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- F28F 2265/02 in the form of screens or covers
- F28F 2265/06 by using means for draining heat exchange media from heat exchangers
- F28F 2265/10 for preventing overheating, e.g. heat shields
- F28F 2265/12 for preventing overpressure
- F28F 2265/14 for preventing damage by freezing, e.g. for accommodating volume expansion
- F28F 2265/16 for preventing leakage
- F28F 2265/18 for removing contaminants, e.g. for degassing
- F28F 2265/20 for preventing development of microorganisms
- F28F 2265/22 for draining
- F28F 2265/24 for electrical insulation
- F28F 2265/26 for allowing differential expansion between elements
- F28F 2265/28 for preventing noise
- F28F 2265/30 for preventing vibrations
- F28F 2265/32 for limiting movements, e.g. stops, locking means
Top Applicants
Top 10 applicants by patent filingsfor class F28, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO SYSTEMES THERMIQUES FR 1,945
- MITSUBISHI ELECTRIC CORPORATION JP 1,518
- MAHLE INTERNATIONAL DE 1,120
- ALFA LAVAL SE 1,085
- HANON SYSTEMS KR 939
- DENSO CORPORATION JP 900
- LG ELECTRONICS KR 861
- HAMILTON SUNDSTRAND US 795
- DAIKIN INDUSTRIES JP 608
- DENSO CORPORATION 537