F28F 25/02 for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D)
Full Title
Component parts of trickle coolers (arrangements for increasing heat transfer F28F13/00; controlling arrangements F28F27/00) > for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D)
Filing statistics
CPC F28F 25/02 belongs to the parent subclass F28F, which recorded 83,812 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,008 in 2013 to 6,475 in 2023 (-8%), peaking at 8,704 applications in 2017. The most active applicants in class F28 are VALEO SYSTEMES THERMIQUES (1,945 applications), MITSUBISHI ELECTRIC CORPORATION (1,518 applications) and MAHLE INTERNATIONAL (1,120 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- F28F 25/04 Distributing or accumulator troughs
- F28F 25/06 Spray nozzles or spray pipes
- F28F 25/08 Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface (packing elements per se B01J19/30, B01J19/32)
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