Inventor · Secunda, ZA

Philippus J. Meyer

5Patents
3h-index
4Co-inventors
50Inventor score

Filing activity: May 1, 1984 → Jul 13, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4764184A Apparatus for the gasification of coal Chemistry; Metallurgy 15 Expired
US7198655B2 Method and apparatus for thermally upgrading carbonaceous materials Performing Operations; Transporting 4 Expired
US4643109A Gasification of coal Chemistry; Metallurgy 4 Expired
US4615713A Ash temperature measurement means for a fixed bed gasifier Chemistry; Metallurgy 3 Expired
US7842107B2 Method and apparatus for thermally upgrading carbonaceous materials Performing Operations; Transporting 1 Active

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