Inventor · Zelienople, PA, US

F. Joseph Hersick

8Patents
6h-index
15Co-inventors
56Inventor score

Filing activity: Jun 30, 2003 → Dec 20, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7110743B2 Communications device for a protective helmet Human Necessities 36 Expired
US8225419B2 Protective helmet Human Necessities 20 Active
US7089603B2 Adjustable headband Emerging Cross-Sectional Technologies 17 Expired
US7296305B2 Adjustable headband Emerging Cross-Sectional Technologies 14 Expired
US8539613B2 Protective helmet Human Necessities 7 Active
USRE45459E1 Protective helmet General 6 Active
US8464362B2 Protective helmets and method of manufacture thereof Emerging Cross-Sectional Technologies 2 Active
US8522418B2 Protective helmets and method of manufacture thereof Emerging Cross-Sectional Technologies 1 Active

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