Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062006 | Non-positive-displacement machine comprising a spiral channel provided in the housing middle part | Karl-Ernst Hummel, Guenter Kroeger, Norbert Poppenborg | 2011-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062006 | Non-positive-displacement machine comprising a spiral channel provided in the housing middle part | Karl-Ernst Hummel, Guenter Kroeger, Norbert Poppenborg | 2011-11-22 |