Subject matter not provided for in other groups of this subclass

Filing statistics

CPC B24D 99/00 belongs to the parent subclass B24D, which recorded 18,484 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,532 in 2013 to 1,202 in 2023 (-22%), peaking at 2,154 applications in 2017. The most active applicants in class B24 are DISCO CORPORATION (2,092 applications), APPLIED MATERIALS (1,813 applications) and EBARA CORPORATION (1,804 applications).

Source: EPO PATSTAT, worldwide filings