Inventor · McLeansboro, IL, US

Robert P. Hepfer

3Patents
1h-index
11Co-inventors
37Inventor score

Filing activity: Jul 13, 1999 → May 7, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6358483B1 Sparger for oxygen injection into a fluid bed reactor Emerging Cross-Sectional Technologies 5 Expired
US7442345B2 Reactor apparatus Emerging Cross-Sectional Technologies 1 Expired
US6989455B2 Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol Chemistry; Metallurgy 1 Expired

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