Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512381 | Method and facility for carbonitriding one or more steel parts under low pressure and at a high temperature | Philippe Lapierre | 2022-11-29 |
| 9938615 | Carbonitriding method having a final nitridation step during temperature decrease | Philippe Lapierre, Yves Giraud, Alfred Rallo | 2018-04-10 |
| 9765422 | Method for low-pressure carbonitriding having an extended temperature range in an initial nitridation phase | Philippe Lapierre, Yves Giraud, Alfred Rallo | 2017-09-19 |
| 9708704 | Method for low-pressure carbonitriding using a reduced temperature gradient in an initial nitridation phase | Philippe Lapierre, Yves Giraud, Alfred Rallo | 2017-07-18 |