Inventor · Broken Arrow, OK, US

Ronald D. Key

8Patents
3h-index
9Co-inventors
50Inventor score

Filing activity: Jan 12, 1989 → Dec 30, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US4895584A Process for C.sub.2 recovery Mechanical Engineering; Lighting; Heating 68 Expired
US6311516A Process and apparatus for C3 recovery Mechanical Engineering; Lighting; Heating 33 Expired
US6278035A Process for C2 recovery Emerging Cross-Sectional Technologies 6 Expired
US9803917B2 Integrated process for NGL (natural gas liquids recovery) and LNG (liquefaction of natural gas) Mechanical Engineering; Lighting; Heating 3 Active
US7871449B2 Process and apparatus for synthesis gas heat exchange system Chemistry; Metallurgy 2 Active
US7544272B2 Apparatus for C2 recovery Emerging Cross-Sectional Technologies 1 Expired
US8828107B2 Process and apparatus for synthesis gas heat exchange system Mechanical Engineering; Lighting; Heating 1 Active
US8093440B2 Process and apparatus for C2 recovery Emerging Cross-Sectional Technologies 0 Active

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