Inventor · Duncan, OK, US

James D. Roach

3Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Aug 9, 1982 → Nov 10, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US7563076B2 Variable rate pumping system Mechanical Engineering; Lighting; Heating 247 Active
US4440404A Packing arrangement Mechanical Engineering; Lighting; Heating 57 Expired
US7713033B2 Double-acting, duplex pump controlled by two, two position spool valves Emerging Cross-Sectional Technologies 2 Active

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