Daniel Francis Ryan
35Patents
15h-index
47Co-inventors
81Inventor score
Filing activity: Feb 15, 1974 → Feb 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5378348A | Distillate fuel production from Fischer-Tropsch wax | Emerging Cross-Sectional Technologies | 100 | Expired |
| US6103099A | Production of synthetic lubricant and lubricant base stock without dewaxing | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6096940A | Biodegradable high performance hydrocarbon base oils | Chemistry; Metallurgy | 68 | Expired |
| US4292048A | Integrated catalytic coal devolatilization and steam gasification process | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6179994A | Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6332974A | Wide-cut synthetic isoparaffinic lubricating oils | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6096690A | High performance environmentally friendly drilling fluids | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5866748A | Hydroisomerization of a predominantly N-paraffin feed to produce high purity solvent compositions | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5906727A | High purity paraffinic solvent compositions | Chemistry; Metallurgy | 29 | Expired |
| US5807413A | Synthetic diesel fuel with reduced particulate matter emissions | Chemistry; Metallurgy | 27 | Expired |
| US6506297B1 | Biodegradable high performance hydrocarbon base oils | Chemistry; Metallurgy | 26 | Expired |
| US5833839A | High purity paraffinic solvent compositions, and process for their manufacture | Chemistry; Metallurgy | 25 | Expired |
| US6663767B1 | Low sulfur, low emission blends of fischer-tropsch and conventional diesel fuels | Chemistry; Metallurgy | 25 | Expired |
| US6833064B2 | Wide cut Fischer Tropsch diesel fuels | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6787022B1 | Winter diesel fuel production from a fischer-tropsch wax | Chemistry; Metallurgy | 21 | Expired |
| US5750819A | Process for hydroconversion of paraffin containing feeds | Chemistry; Metallurgy | 15 | Expired |
| US8100996B2 | Process for upgrading a carbonaceous material using microchannel process technology | Emerging Cross-Sectional Technologies | 15 | Active |
| US3954600A | Catalytic cracking process for producing middle distillate | Chemistry; Metallurgy | 15 | Expired |
| US5756420A | Supported hydroconversion catalyst and process of preparation thereof | Performing Operations; Transporting | 14 | Expired |
| US5498821A | Carbon dioxide addition in hydrocracking/hydroisomerization processes to control methane production | Chemistry; Metallurgy | 14 | Expired |
| US6846848B2 | Production of high purity fisher-tropsch wax | Chemistry; Metallurgy | 12 | Expired |
| US4332666A | Coal liquefaction process wherein jet fuel, diesel fuel and/or ASTM No. 2 fuel oil is recovered | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8747656B2 | Process and apparatus employing microchannel process technology | Emerging Cross-Sectional Technologies | 9 | Active |
| US6294587A | Water emulsions of Fischer-Tropsch liquids (LAW516) | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6455474B1 | High performance environmentally friendly, low temperature, drilling fluids | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.