Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853537 | Multilevel converter for power factor correction and associated operating method | MARTIN PIESCHEL, Thilo Weigel | 2017-12-26 |
| 9719446 | Reduction of N2O in the exhaust gas of lean-burn petrol engines | Frank Adam, Stephan Eckhoff | 2017-08-01 |