Use of polyvinylesters as moulding material

Filing statistics

CPC B29K 2031/00 belongs to the parent subclass B29K, which recorded 147,822 patent applications worldwide between 2013 and 2023. Annual filings declined from 11,619 in 2013 to 6,464 in 2023 (-44%), peaking at 16,771 applications in 2016. The most active applicants in class B29 are HEWLETT-PACKARD DEVELOPMENT COMPANY (4,167 applications), BOEING COMPANY (3,701 applications) and COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (2,554 applications).

Source: EPO PATSTAT, worldwide filings