Douglas Allen Dobson
32Patents
8h-index
35Co-inventors
75Inventor score
Filing activity: Sep 21, 1995 → Jul 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5750082A | Nox trap with improved performance | Performing Operations; Transporting | 30 | Expired |
| US6378359B1 | Method and system for evaluating exhaust on-board diagnostics system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5753192A | Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5998210A | Method and apparatus for aging a catalyst | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5837212A | Potassium/manganese nitrogen oxide traps for lean-burn engine operation | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8516798B2 | Methods and systems for control of an emission system with more than one SCR region | Emerging Cross-Sectional Technologies | 11 | Active |
| US8263033B2 | Palladium-contaning oxidation catalyst | Performing Operations; Transporting | 11 | Active |
| US8491860B2 | Methods and systems for an engine emission control system | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US9528413B2 | Synergistic SCR/DOC configurations for lowering diesel emissions | Emerging Cross-Sectional Technologies | 7 | Active |
| US9657626B2 | Emissions reduction system | Emerging Cross-Sectional Technologies | 7 | Active |
| US8844274B2 | Compact diesel engine exhaust treatment system | Emerging Cross-Sectional Technologies | 6 | Active |
| US8240194B2 | Methods and systems for diagnostics of an emission system with more than one SCR region | Emerging Cross-Sectional Technologies | 5 | Active |
| US9630146B2 | Particulate filter containing a nickel-copper catalyst | Emerging Cross-Sectional Technologies | 3 | Active |
| US8062601B2 | Emission SCR NOX aftertreatment system having reduced SO3 generation and improved durability | Emerging Cross-Sectional Technologies | 2 | Active |
| US10392980B2 | Methods and systems for a diesel oxidation catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US10287938B2 | System and methods for reducing particulate matter emissions | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10920645B2 | Systems and methods for on-board monitoring of a passive NOx adsorption catalyst | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10954835B2 | Methods and systems for exhaust emission control | Emerging Cross-Sectional Technologies | 1 | Active |
| US9726058B2 | Idle speed GPF regeneration | Emerging Cross-Sectional Technologies | 1 | Active |
| US8741241B2 | Methods and systems for an engine emission control system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11143073B2 | Methods and systems for a diesel oxidation catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
| US9304061B2 | Methods and systems for diagnostics of an emission system with more than one SCR region | Emerging Cross-Sectional Technologies | 0 | Active |
| US8661882B2 | Methods and systems for diagnostics of an emission system with more than one SCR region | Emerging Cross-Sectional Technologies | 0 | Active |
| US11002210B2 | Method and system for improving efficiency of a particulate filter | Emerging Cross-Sectional Technologies | 0 | Active |
| US10598061B2 | Methods and systems for a diesel oxidation catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.