Discontinuous charging

Filing statistics

CPC F27M 2002/12 belongs to the parent subclass F27M, which recorded 3,732 patent applications worldwide between 2013 and 2023. Annual filings grew from 52 in 2013 to 359 in 2023 (+590%), peaking at 571 applications in 2021. The most active applicants in class F27 are POSCO (POHANG IRON AND STEEL COMPANY) (930 applications), JFE STEEL (771 applications) and PAUL WURTH (518 applications).

Source: EPO PATSTAT, worldwide filings