David T. Ferrughelli
40Patents
9h-index
98Co-inventors
78Inventor score
Filing activity: Sep 15, 1988 → Sep 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5910440A | Method for the removal of organic sulfur from carbonaceous materials | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6171471A | Heavy oil upgrading process (LAW813) | Chemistry; Metallurgy | 33 | Expired |
| US6511937B1 | Combination slurry hydroconversion plus solvent deasphalting process for heavy oil upgrading wherein slurry catalyst is derived from solvent deasphalted rock | Chemistry; Metallurgy | 24 | Expired |
| US6245223A | Selective adsorption process for resid upgrading (law815) | Chemistry; Metallurgy | 22 | Expired |
| US5611915A | Process for removal of heteroatoms under reducing conditions in supercritical water | Emerging Cross-Sectional Technologies | 21 | Expired |
| US9637694B2 | Upgrading hydrocarbon pyrolysis products | Chemistry; Metallurgy | 18 | Active |
| US9206363B2 | Hydroprocessing of heavy hydrocarbon feeds | Chemistry; Metallurgy | 17 | Active |
| US9090835B2 | Preheating feeds to hydrocarbon pyrolysis products hydroprocessing | Chemistry; Metallurgy | 12 | Active |
| US8119006B2 | Ethanol stable epoxy amine based membrane for aromatics separation | Chemistry; Metallurgy | 9 | Active |
| US7303664B2 | Delayed coking process for producing free-flowing coke using a metals-containing additive | Chemistry; Metallurgy | 8 | Expired |
| US6156946A | Biological activation of aromatics for chemical processing and/or upgrading of aromatic compounds, petroleum, coal, resid, bitumen and other petrochemical streams | Performing Operations; Transporting | 8 | Expired |
| US9777227B2 | Upgrading hydrocarbon pyrolysis products | Chemistry; Metallurgy | 8 | Active |
| US8613852B2 | Process for producing a high stability desulfurized heavy oils stream | Chemistry; Metallurgy | 7 | Active |
| US8765824B2 | Ethanol stable polyether epoxy based membrane for ethanol and aromatics separation | Chemistry; Metallurgy | 5 | Active |
| US4956420A | Selective catalytic process for controlled modification of ethylene-(alpha-olefin)-diene monomer terpolymer with halothisulfonamide | Chemistry; Metallurgy | 5 | Expired |
| US9771524B2 | Method and apparatus for improving a hydrocarbon feed | Performing Operations; Transporting | 4 | Active |
| US9441171B2 | Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes | Chemistry; Metallurgy | 4 | Active |
| US9290584B2 | Polyalkylene carboxylic acid polyamine additives for fouling mitigation in hydrocarbon refining processes | Chemistry; Metallurgy | 4 | Active |
| US7306713B2 | Delayed coking process for producing free-flowing coke using a substantially metals-free additive | Chemistry; Metallurgy | 3 | Expired |
| US9809756B2 | Upgrading pyrolysis tar | Chemistry; Metallurgy | 3 | Active |
| US7943037B2 | Hydroconversion process for petroleum resids using selective membrane separation followed by hydroconversion over carbon supported metal catalyst | Chemistry; Metallurgy | 2 | Active |
| US10597592B2 | Upgrading hydrocarbon pyrolysis tar | Chemistry; Metallurgy | 2 | Active |
| US7931798B2 | Hydroconversion process for petroleum resids by hydroconversion over carbon supported metal catalyst followed by selective membrane separation | Chemistry; Metallurgy | 2 | Active |
| US8147676B2 | Delayed coking process | Chemistry; Metallurgy | 2 | Active |
| US10704001B2 | Multi-stage upgrading pyrolysis tar products | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.