Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979179 | Wind turbine rotor blade with combined lighting receptor and drain passage and lighting receptor with drain passage | — | 2005-12-27 |
| 6612810 | Wind turbine blade with a system for deicing and lightning protection | Kaj Olsen, Peter Grabau, John Ellermann Jespersen | 2003-09-02 |
| 6457943 | Lightning protection for wind turbine blade | Kaj Olsen, Peter Grabau | 2002-10-01 |