Inventor · Davenport, IA, US

John Christen

3Patents
2h-index
8Co-inventors
33Inventor score

Filing activity: Dec 10, 2002 → Mar 3, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6921011B1 Work piece holder having top mounted robot and method of use Performing Operations; Transporting 11 Expired
US7854239B2 High temperature valve Emerging Cross-Sectional Technologies 10 Active
US7171737B2 Safety barrier Emerging Cross-Sectional Technologies 0 Expired

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