Inventor · Crystal Lake, IL, US

Darrell W. Staggs

7Patents
4h-index
4Co-inventors
39Inventor score

Filing activity: Oct 8, 1986 → Nov 2, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4792390A Combination process for the conversion of a distillate hydrocarbon to produce middle distillate product Chemistry; Metallurgy 51 Expired
US4818368A Process for treating a temperature-sensitive hydrocarbanaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product Human Necessities 22 Expired
US4891464A Control method for oxygen addition to oxidative reheat zone of hydrocarbon conversion process Emerging Cross-Sectional Technologies 8 Expired
US4721557A Combination process for the conversion of a residual asphaltene-containing hydrocarbonaceous stream to maximize middle distillate production Chemistry; Metallurgy 6 Expired
US4927520A Process for treating a hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product Human Necessities 4 Expired
US4715947A Combination process for the conversion of a residual asphaltene-containing hydrocarbonaceous stream to maximize middle distillate production Chemistry; Metallurgy 3 Expired
US4814064A Combination process for the conversion of a residual hydrocarbonaceous charge stock to produce middle distillate product Chemistry; Metallurgy 1 Expired

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