| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 11 | |
| #2 | United States | 8 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Transport | |
| #4 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frederiksen Svend | 27 |
| #2 | Frederiksen Lars | 8 |
| #3 | Frederiksen Eyvind | 6 |
| #4 | Mikkelsen Soren Aerendal | 3 |
| #5 | Mortensen Preben Korntved | 2 |
| #6 | Valbjoern Peter | 2 |
| #7 | Sorenson Spencer C | 2 |
| #8 | Mortensen Preben K | 1 |
| #9 | Valbjorn Peter | 1 |
| #10 | Bingham D W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2008006383A1 | Manufacture-friendly silencer | |
| EP1812694A1 | Silencer and open-structured catalyser | |
| EP1781907A1 | Combination silencer | |
| AU4409001A | A silencer containing one or more porous bodies | |
| US7159692B1 | Silencer | |
| US6520286B1 | Silencer and a method of operating a vehicle | |
| EP1089891A1 | Waste heat recovery system |