Douglas A. Mitchell
24Patents
6h-index
37Co-inventors
69Inventor score
Filing activity: Jul 1, 1976 → Sep 11, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4249472A | Thermal reactors | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US8528319B2 | Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions | Emerging Cross-Sectional Technologies | 16 | Active |
| US9909480B2 | Apparatus, method, and system for diagnosing reductant deposits in an exhaust aftertreatment system | Emerging Cross-Sectional Technologies | 12 | Active |
| US4306537A | Gas fire | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US9261006B2 | Apparatus, method and system for diagnosing reductant deposits in an exhaust aftertreatment system | Emerging Cross-Sectional Technologies | 11 | Active |
| US4110063A | Gas fire | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9528414B2 | Diesel exhaust fluid deposit mitigation | Emerging Cross-Sectional Technologies | 6 | Active |
| US10024213B2 | Diesel exhaust fluid deposit mitigation | Emerging Cross-Sectional Technologies | 6 | Active |
| US9482132B2 | Gaseous reductant delivery devices and systems | Emerging Cross-Sectional Technologies | 3 | Active |
| US9650933B2 | In-line decomposition reactor pipe with exhaust assist | Emerging Cross-Sectional Technologies | 2 | Active |
| US9341097B2 | Reductant material deposit reduction in exhaust aftertreatment systems | Emerging Cross-Sectional Technologies | 2 | Active |
| US7486227B2 | System and method for removal of sea-state bias in satellite altimetry data | Physics | 2 | Active |
| US11035195B2 | Methods of mitigating lost circulation while drilling a wellbore | Fixed Constructions | 1 | Active |
| US10473013B2 | Integrative reductant system and method using constant volume injection | Emerging Cross-Sectional Technologies | 1 | Active |
| US10488379B2 | Uniformity index performance evaluation in an SCR aftertreatement system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11820468B2 | Unmanned surface vehicles, survey systems, and methods for using the same | Performing Operations; Transporting | 0 | Active |
| US10883971B2 | Uniformity index performance evaluation in an SCR aftertreatment system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10245563B2 | Diesel exhaust fluid mixing body using variable cross-section switchback arrangement | Emerging Cross-Sectional Technologies | 0 | Active |
| US11286826B2 | Integrative reductant system and method using constant volume injection | Emerging Cross-Sectional Technologies | 0 | Active |
| US9638631B2 | Species spatial reconstruction for exhaust system using spectroscopy and tomography | Emerging Cross-Sectional Technologies | 0 | Active |
| US10024210B2 | Constant mass flow injection system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10603641B2 | Diesel exhaust fluid mixing body using variable cross-section switchback arrangement | Emerging Cross-Sectional Technologies | 0 | Active |
| US9470132B2 | Compact radial exterior exhaust assisted decomposition reactor pipe | Emerging Cross-Sectional Technologies | 0 | Active |
| US9453446B2 | Constant mass flow injection system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.