Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D801994 | Display screen or portion thereof with graphical user interface | Jeffrey A. Brush, Rodrigo Sanchez | 2017-11-07 |
| 9510137 | Short range peer-to-peer communications system | Stephen W. Rector | 2016-11-29 |
| 8091352 | Ignition system | Sean O. Cornell, Robert M. Lucas | 2012-01-10 |
| 6871490 | Emissions control system for increasing selective catalytic reduction efficiency | Cho Y. Liang | 2005-03-29 |
| 6691687 | Crankcase blow-by filtration system | Cho Y. Liang | 2004-02-17 |
| 6621199 | High intensity electromagnetic radiation apparatus and method | Dean Parfeniuk, David Malcolm Camm, Johan George Fourie, Roger Housden, Arne Kjørvel +2 more | 2003-09-16 |
| 6446498 | Method for determining a condition of an exhaust gas recirculation (EGR) system for an internal combustion engine | David R. Schricker, Thomas R. Sandborg | 2002-09-10 |
| 6422220 | Internal combustion engine with an exhaust gas recirculation system | Noel R. Lepp, Cho Y. Liang | 2002-07-23 |
| 6363771 | Emissions diagnostic system | Cho Y. Liang | 2002-04-02 |
| 6266955 | Diagnostic system for an emissions control on an engine | Cho Y. Liang | 2001-07-31 |
| 5714946 | Apparatus for communicating with a machine when the machine ignition is turned off | Paul C. Gottshall, Paul M. Young | 1998-02-03 |
| 5672972 | Diagnostic system for a capacitor discharge ignition system | Horst Scheel | 1997-09-30 |
| 5060623 | Spark duration control for a capacitor discharge ignition system | — | 1991-10-29 |
| 4895121 | Method and apparatus for measuring detonation in an internal combustion engine | Thomas T. Stevenson, Douglas E. Carr, Kevin D. King | 1990-01-23 |