Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251986 | Air conditioning system with high capacity centrifugal refrigerant compressor | Robert Cadle | 2025-03-18 |
| 10598109 | Methods and systems for aftertreatment preheating | — | 2020-03-24 |
| 10570822 | Exhaust manifold system for turbocharger device with plural volute members | — | 2020-02-25 |
| 9845713 | Engine system and operation method using engine braking mechanisms for early exhaust valve opening | Steven Ernest | 2017-12-19 |
| 9027333 | Soot pre-loading of particulate matter aftertreatment devices as means for reducing hydrocarbon emissions during cold start | Gary D. Neely | 2015-05-12 |
| 8944024 | Magnetic bearing for use in reciprocating internal combustion engines | Radu C. Florea | 2015-02-03 |
| 8948999 | Fuel injection during negative valve overlap for stoichiometric diesel operations | Chad Koci, Charles E. Roberts, Jr. | 2015-02-03 |
| 8857154 | Exhaust aftertreatment for NOx-containing exhaust from an internal combustion engine | — | 2014-10-14 |
| 8594909 | Internal exhaust gas recirculation for stoichiometric operation of diesel engine | Chad Koci, Charles E. Roberts, Jr. | 2013-11-26 |
| 8291891 | EGR system with dedicated EGR cylinders | Terrence F. Alger, II, Barrett Wade Mangold, Jess W. Gingrich | 2012-10-23 |
| 7822531 | Stratified charge gasoline direct injection systems using exhaust gas recirculation | Terrence F. Alger, II, Charles E. Roberts, Jr. | 2010-10-26 |
| 7495447 | Benchtop test system for testing spark plug durability | Terrence F. Alger, II, Charles E. Roberts, Jr. | 2009-02-24 |
| 7299623 | Method for controlling exhaust gas temperature and space velocity during regeneration to protect temperature sensitive diesel engine components and aftertreatment devices | Rudolf H. Stanglmaier, Ryan C. Roecker, Charles E. Roberts, Jr., Lee G. Dodge, Christopher J. Chadwell +1 more | 2007-11-27 |
| 7017547 | Method and apparatus for controlling liquid-phase fuel penetration distance in a direct-fuel injected engine | Lee G. Dodge, Rudolf H. Stanglmaier, Charles E. Roberts, Jr. | 2006-03-28 |