Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409735 | Vehicle with current collector | Helge Molthan, Holger T. Sommer, Henrik Engdahl | 2025-09-09 |
| 10046669 | Protection device for a vehicle for preventing contact voltages | Florian Buehs, Klaus Dietrich, Frank Gerstenberg, HASSO GEORG GRUENJES, Hans-Peter Lang +4 more | 2018-08-14 |
| 6577516 | Method and apparatus for optimizing the output power of a rectifier | Thomas Sahlstrom | 2003-06-10 |
| 6215677 | Method and an apparatus for current sensing in an AC/DC converter | Mats Karlsson | 2001-04-10 |
| 5793190 | Method and device for power conversion | Thomas Sahlstrom | 1998-08-11 |