Inventor · Cambridge, OH, US

Christopher P. Eppig

24Patents
8h-index
32Co-inventors
75Inventor score

Filing activity: Apr 17, 1981 → Jan 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5092983A Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water using a solvent mixture Chemistry; Metallurgy 62 Expired
US4434028A Apparatus for removing organic contaminants from inorganic-rich mineral solids Emerging Cross-Sectional Technologies 44 Expired
US5186817A Process for separating extractable organic material from compositions comprising oil-in-water emulsions comprising said extractable organic material and solids Chemistry; Metallurgy 21 Expired
US4885079A Process for separating organic material from particulate solids Performing Operations; Transporting 21 Expired
US4842715A Novel technique for rendering oily sludges environmentally acceptable Emerging Cross-Sectional Technologies 21 Expired
US4824555A Extraction of oil from stable oil-water emulsions Performing Operations; Transporting 12 Expired
US7727382B2 Production and removal of free-flowing coke from delayed coker drum Chemistry; Metallurgy 11 Expired
US5675043A Process for the selective removal of nitrogen-containing compounds from hydrocarbon blends Chemistry; Metallurgy 9 Expired
US7374665B2 Blending of resid feedstocks to produce a coke that is easier to remove from a coker drum Chemistry; Metallurgy 8 Expired
US7303664B2 Delayed coking process for producing free-flowing coke using a metals-containing additive Chemistry; Metallurgy 8 Expired
US7914668B2 Continuous coking process Chemistry; Metallurgy 6 Active
US7736470B2 Coker feed method and apparatus Chemistry; Metallurgy 5 Active
US5318697A Process for upgrading hydrocarbonaceous materials Chemistry; Metallurgy 5 Expired
US5066386A Extraction of oil from stable oil-water emulsions Performing Operations; Transporting 4 Expired
US5068027A Process for upgrading high-boiling hydrocaronaceous materials Chemistry; Metallurgy 3 Expired
US5316655A Process for making light hydrocarbonaceous liquids in a delayed coker Chemistry; Metallurgy 3 Expired
US7645375B2 Delayed coking process for producing free-flowing coke using low molecular weight aromatic additives Chemistry; Metallurgy 3 Active
US7306713B2 Delayed coking process for producing free-flowing coke using a substantially metals-free additive Chemistry; Metallurgy 3 Expired
US8101066B2 Fluidized coking process Chemistry; Metallurgy 2 Active
US9139781B2 Delayed coking process Chemistry; Metallurgy 2 Active
US8496805B2 Delayed coking process Chemistry; Metallurgy 2 Active
US12078583B2 Methods for classifying petroleum coke Chemistry; Metallurgy 0 Active
US6153088A Production of aromatic oils Chemistry; Metallurgy 0 Expired
US7537686B2 Inhibitor enhanced thermal upgrading of heavy oils Emerging Cross-Sectional Technologies 0 Active

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