Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253670 | Exhaust gas-treating device | Rainer Lehnen | 2019-04-09 |
| 9540976 | Particle filter | Oleksander Vyelyayev, Simon Ehrler, Andrew Summers | 2017-01-10 |
| 9399938 | Exhaust gas treatment device | Simon Ehrler, Kirill Karelin | 2016-07-26 |
| 9003782 | Exhaust gas-treating device | Rainer Lehnen | 2015-04-14 |
| 8646573 | Exhaust gas treatment device | Andreas Sauer | 2014-02-11 |
| 8621853 | Exhaust gas-treating device | Rainer Lehnen | 2014-01-07 |
| 8596044 | Exhaust gas-treating device | Rainer Lehnen, Gert-Ove Wahlström | 2013-12-03 |
| 8568661 | Exhaust gas treatment device | Michael Bay, Wolfgang Datz | 2013-10-29 |
| 8336301 | Exhaust gas treatment unit | Andreas Sauer | 2012-12-25 |
| 8220253 | Exhaust gas aftertreatment device for an internal combustion engine | Siegfried Woerner, Rudolf Buhmann, Rainer Lehnen | 2012-07-17 |
| 7127884 | Muffler with an integrated catalytic converter | Siegfried Worner, Rudolf Buhmann | 2006-10-31 |
| 6729127 | Exhaust cleaning system for motor vehicles, especially diesel-powered utility vehicles | Siegfried Woerner, Peter Zacke, Thomas Hauber, Rudolf Buhmann | 2004-05-04 |