Arrangements or adaptations of tanks for water supply (water-butts E03B3/03; storage aspects B65D, B65G, F17B, F17C; foundations E02D27/38; construction or assembling of bulk storage containers employing civil engineering techniques E04H7/00; tower aspects E04H12/00)

Filing statistics

CPC E03B 11/00 belongs to the parent subclass E03B, which recorded 29,084 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,196 in 2013 to 2,669 in 2023 (+123%), peaking at 3,884 applications in 2020. The most active applicants in class E03 are NEOPERL (934 applications), GROHE (870 applications) and TOTO (646 applications).

Source: EPO PATSTAT, worldwide filings