Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562456 | Exhaust injection muffler | Mark E. Turpin, Clayton Smith, Gary A. Salmonson, Shawn John Kipka, Kurt Butz +2 more | 2017-02-07 |
| 8839611 | Exhaust injection muffler | Mark E. Turpin, Clayton Smith, Gary A. Salmonson, Shawn John Kipka, Kurt Butz +2 more | 2014-09-23 |
| 8769940 | Marine exhaust catalyst | Mark E. Turpin, Clayton Smith, Gary A. Salmonson, Shawn John Kipka, Kurt Butz +1 more | 2014-07-08 |
| 8607554 | Exhaust cooler | Mark E. Turpin, Clayton Smith, Gary A. Salmonson, Shawn John Kipka, Kurt Butz +2 more | 2013-12-17 |
| 7557544 | Zero crossing detection for an electric power generation system | John E. Heinz | 2009-07-07 |
| 7305291 | Mobile energy management system | David J. Koenig, Paul H. Plahn, Dan G. Priem, Keith L. Lovegren | 2007-12-04 |
| 7286918 | Mobile energy management system | David J. Koenig, Paul H. Plahn, Dan G. Priem, Keith L. Lovegren | 2007-10-23 |
| 6965818 | Mobile energy management system | David J. Koenig, Paul H. Plahn, Dan G. Priem, Keith L. Lovegren | 2005-11-15 |