Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348103 | Method for cleaning electrofilters and electrofilters with a cleaning device | Heiko Schumann, Harald Blomerius | 2002-02-19 |
| 5934261 | Electrode for electrostatic filter | Heiko Schumann | 1999-08-10 |