Inventor · Denver, CO, US

J. David Matthews

3Patents
3h-index
4Co-inventors
33Inventor score

Filing activity: Dec 21, 1981 → Dec 21, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4396394A Method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal Chemistry; Metallurgy 121 Expired
US4421520A Reducing the tendency of dried coal to spontaneously ignite Chemistry; Metallurgy 22 Expired
US4396395A Method and apparatus for contacting particulate coal and a deactivating fluid Chemistry; Metallurgy 14 Expired

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