Inventor · North Canton, OH, US

Charles L. Kern

7Patents
6h-index
7Co-inventors
56Inventor score

Filing activity: Sep 7, 1982 → Mar 11, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6113997A Process to prepare a polyester resin Emerging Cross-Sectional Technologies 54 Expired
US5052732A Crash attenuator utilizing fibrous honeycomb material Emerging Cross-Sectional Technologies 53 Expired
US5830544A Non-sticky polyester bottles Emerging Cross-Sectional Technologies 49 Expired
US4482586A Multi-layer polyisophthalate and polyterephthalate articles and process therefor Emerging Cross-Sectional Technologies 46 Expired
US4643925A Multi-layer polyisophthalate and polyterephthalate articles and process therefor Emerging Cross-Sectional Technologies 31 Expired
US4604257A Multi-layer polyisophthalate and polyterephthalate articles and process therefor Performing Operations; Transporting 21 Expired
US7931317B2 Reusable trailer mounted attenuator Fixed Constructions 4 Active

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