Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066334 | Tool for cutting coke and other hard materials in drums | Wolfgang Paul, Kay Simon, Thomas Graefenstein | 2011-11-29 |
| 8002204 | Decoking tool | Wolfgang Paul, Dirk Heidemann, Kay Simon, Maciej Barcikowski, Thomas Graefenstein | 2011-08-23 |
| 7819343 | Decoking tool | Wolfgang Paul, Dirk Heidemann, Kay Simon, Thomas Graefenstein | 2010-10-26 |