Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537083 | Silencer containing one or more porous bodies | — | 2009-05-26 |
| 7159692 | Silencer | Lars Frederiksen, Soren Aerendal Mikkelsen | 2007-01-09 |
| 7104358 | Silencer containing one or more porous bodies | — | 2006-09-12 |
| 6520286 | Silencer and a method of operating a vehicle | Eyvind Frederiksen, Lars Frederiksen, Spencer C. Sorenson | 2003-02-18 |
| 6332510 | Gas flow silencer | Eyvind Frederiksen | 2001-12-25 |
| 6321552 | Waste heat recovery system | — | 2001-11-27 |
| 6312650 | Silencer | Lars Frederiksen, Carl Peter Sehested | 2001-11-06 |
| 6220021 | Silencer with incorporated catalyst | Lars Frederiksen | 2001-04-24 |
| 5758497 | Silencer | Lars Frederiksen | 1998-06-02 |