Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294225 | Process for production of synthesis gas in combination with the maintenance of the energy balance for a pulp mill | Ingvar Landalv | 2007-11-13 |
| 7054263 | Synchronous change of switchplane | Hans A. P. Berghager, Per Sydhoff, Mikael Kundel, Astrid Berglund | 2006-05-30 |
| 6914878 | Fault detection in multi-plane switch | Hans A. P. Berghager, Per Sydhoff | 2005-07-05 |
| 5604739 | Signal receiving and transmitting unit for converting a transmission rate of a received signal to a transmission rate of a transmittted signal | Karl S. M. Buhrgard, Johan U. Tingsborg, Hao Jiang | 1997-02-18 |