Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7334461 | Method of measuring exhaust gas on internal combustion engines | Hans Erlach, Kurt Engeljehringer | 2008-02-26 |
| 7302834 | Method for supplying an internal combustion engine with conditioned combustion gas, device for carrying out said method, method for determining the quantities of pollutants in the exhaust gases of an internal combustion engine, and device for carrying out said method | Hans Erlach | 2007-12-04 |
| 7028539 | Method for supplying an internal combustion engine with conditioned combustion gas, device for carrying out said method, method for determining the quantities of pollutants in the exhaust gases of an internal combustion engine, and device for carrying out said method | Hans Erlach | 2006-04-18 |