Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070352 | Vibration exciter | Christian Heichel, Frank Hense, Rolf Winzen | 2011-12-06 |
| 7870910 | Vibration generator for a vibration pile driver | Christian Heichel | 2011-01-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070352 | Vibration exciter | Christian Heichel, Frank Hense, Rolf Winzen | 2011-12-06 |
| 7870910 | Vibration generator for a vibration pile driver | Christian Heichel | 2011-01-18 |