Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021279 | Direct injection internal combustion engine with NOx-reduced emissions | Ekkehard Pott, Bernd Stiebels | 2006-04-04 |
| 6901742 | Method for detecting the state of a catalytic converter system | Axel Lang, Axel Wachtendorf, Uwe Kammann, Harald Loeck, Michael Daetz +2 more | 2005-06-07 |
| 6578546 | Method and device for controlling an internal combustion engine | Winfried Schultalbers, Hanno Jelden | 2003-06-17 |
| 5582143 | Actuating device for a decompression valve of an internal combustion engine with cable starter | Thomas Stark, Helmut Zimmermann, Harald Schliemann, Jorg Schlossarczyk | 1996-12-10 |
| 5522143 | Tensioning arrangement for a saw chain of a motor-driven chain saw | Harald Schliemann, Werner Geyer, Helmut Zimmermann, Hans Nickel | 1996-06-04 |
| 5491899 | Tensioning arrangement for a saw chain | Harald Schliemann, Werner Geyer, Hans-Ulrich Nickel, Helmut Zimmermann | 1996-02-20 |
| 5358062 | Portable handheld drilling apparatus | Klaus-Martin Uhl, Hans Nickel, Helmut Zimmermann, Harald Schliemann | 1994-10-25 |
| 4248610 | Dust collector with pressure-relief opening | Heinz Schminke, Gunter Wendel, Hans-Jurgen Schmidt, Willy Desch, Jurgen Nitz | 1981-02-03 |