CPC Main Group
F28G 1/00 Non-rotary, e.g. reciprocated, appliances (F28G3/00 takes precedence)
Filing statistics
CPC F28G 1/00 belongs to the parent subclass F28G, which recorded 7,149 patent applications worldwide between 2013 and 2023. Annual filings grew from 311 in 2013 to 801 in 2023 (+158%), peaking at 916 applications in 2020. 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
7 direct subcodes
Child Classifications
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- F28G 1/02 having brushes ( brushes A46B)
- F28G 1/04 having articulated tools, e.g. assembled in chain manner
- F28G 1/06 having coiled wire tools, i.e. basket type
- F28G 1/08 having scrapers, hammers, or cutters, e.g. rigidly mounted
- F28G 1/12 Fluid-propelled scrapers, bullets, or like solid bodies
- F28G 1/14 Pull-through rods
- F28G 1/16 using jets of fluid for removing debris (F28G1/12 takes precedence)
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