Devices for allowing seemingly-dead persons to escape or draw attention; Breathing apparatus for accidentally buried persons

Filing statistics

CPC A62B 33/00 belongs to the parent subclass A62B, which recorded 37,708 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,688 in 2013 to 2,365 in 2023 (+40%), peaking at 6,715 applications in 2020. The most active applicants in class A62 are 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) (1,384 applications), TYCO FIRE PRODUCTS (962 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (662 applications).

Source: EPO PATSTAT, worldwide filings