Inventor · Steinhausen, CH

Peter Bolli

13Patents
12h-index
5Co-inventors
71Inventor score

Filing activity: Jul 20, 1976 → May 21, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4883440A Electrified toy building block with zig-zag current carrying structure Human Necessities 90 Expired
US4552541A Toy building block with electrical contacting portions Human Necessities 85 Expired
US4556393A Toy building block with electrical contacts Human Necessities 78 Expired
US5322466A Detachable connecting device for toy-construction elements Emerging Cross-Sectional Technologies 49 Expired
US5094643A Connecting device for toy construction elements Emerging Cross-Sectional Technologies 41 Expired
US4998903A Toy actuation system Human Necessities 36 Expired
US4992069A Building set having plug-in building blocks for building in layers Emerging Cross-Sectional Technologies 29 Expired
US5304086A Toy construction element Human Necessities 29 Expired
US4861306A Toy cog railway Human Necessities 28 Expired
US4726515A Track system for toy vehicles Emerging Cross-Sectional Technologies 28 Expired
US4151081A Process and plant for hydromechanical recovery of a fluid spread in a thin layer on the surface of another liquid Emerging Cross-Sectional Technologies 22 Expired
US5087001A Actuating device in a toy track assembly Human Necessities 22 Expired
US5957139A Method of producing a wig for a toy figure Human Necessities 2 Expired

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