Continuous processes; Apparatus therefor

Filing statistics

CPC C23D 11/00 belongs to the parent subclass C23D, which recorded 1,358 patent applications worldwide between 2013 and 2023. Annual filings grew from 59 in 2013 to 93 in 2023 (+58%), peaking at 184 applications in 2020. The most active applicants in class C23 are APPLIED MATERIALS (10,596 applications), TOKYO ELECTRON (5,229 applications) and LAM RESEARCH CORPORATION (3,622 applications).

Source: EPO PATSTAT, worldwide filings