Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689352 | Exhaust gas recirculation (EGR) system for internal combustion engines | — | 2017-06-27 |
| 9562456 | Exhaust injection muffler | Clayton Smith, Gary A. Salmonson, Brian G. Haupt, Shawn John Kipka, Kurt Butz +2 more | 2017-02-07 |
| 9556886 | Priming and lubricating system and method for marine pump impellers | Kurt Butz, Stephen W. Osmonson, Sathyanarayanan Arumugam, John A. Peterson | 2017-01-31 |