Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631754 | Regenerative heat exchanger and method for heating a gas therewith | Karin Tynelius-Diez, Nicolas Perrin, Philippe Queille, Joël Pierre, Michel Poteau | 2003-10-14 |
| 6389776 | Gas permeable refractory brick for use in regenerative heat exchanger and hot grid formed therefrom | Karin Tynelius-Diez, Nicolas Perrin, Philippe Queille, Joël Pierre, Michel Poteau | 2002-05-21 |
| 6229838 | Electric arc furnace for the production of steel and method of operating this furnace | Sebastien Flichy, Jacky Laurent, Frederic Viraize, Jean-Claude Vuillermoz | 2001-05-08 |