Inventor · Avenue Madeleine, DK

Erik P. Tapdrup

42Patents
16h-index
5Co-inventors
70Inventor score

Filing activity: Aug 2, 1976 → Nov 29, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4205482A Toy figure Human Necessities 92 Expired
US4203248A Toy figure with channeled leg members Human Necessities 38 Expired
USD248115S Toy figure General 33 Expired
US4897066A Toy activity center Human Necessities 26 Expired
USD295093S Bucket General 26 Expired
USD301500S Toy telephone General 24 Expired
USD251261S Toy figure General 22 Expired
USD295094S Bucket with a removable lid General 21 Expired
USD248172S Toy figure General 21 Expired
USD301499S Toy telephone General 21 Expired
US4846750A Building base for a toy building set Human Necessities 20 Expired
USD248178S Toy figure General 20 Expired
USD317801S Toy fish General 19 Expired
USD248582S Toy figure General 19 Expired
USD248176S Toy figure General 18 Expired
USD248175S Toy figure General 18 Expired
USD248173S Toy figure General 15 Expired
USD306188S Base plate for a toy activity center General 14 Expired
USD248177S Toy figure General 13 Expired
USD248174S Toy figure General 13 Expired
USD278070S Activity toy General 12 Expired
USD279697S Toy construction piece General 12 Expired
USD280432S Toy construction piece General 12 Expired
USD302444S Activity toy General 11 Expired
USD280222S Toy air plane General 10 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.