Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099922 | Thermally insulated metal surface protected against metal dusting corrosion | Walter Boll, Werner Roell | 2000-08-08 |
| 5935517 | Method of preventing metal dusting corrosion of ducts which conduct hot gas mixtures containing carbon monoxide | Werner Roll | 1999-08-10 |
| 5490974 | Tubular heater for preparing carbon monoxide-containing gas mixtures | Werner Roll, Hans G. Mortel | 1996-02-13 |