Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38218 | Combined process and plant for producing compressed air and at least one air gas | Xavier Vigor, Antoine Willemot, Lionel Barry | 2003-08-19 |
| 6519582 | Process and device for controlling at least two production units | Nicolas Duflot, Christophe Charrier, Dominique Jouvaud | 2003-02-11 |
| 6290750 | Production plant and process comprising several treatment steps | Christophe Charrier, Dominique Jouvaud | 2001-09-18 |
| 6155079 | Combined process and plant for producing compressed air and at least one air gas | Xavier Vigor, Antoine Willemot, Lionel Barry | 2000-12-05 |
| 5045126 | Process and equipment for the heat treatment, before hardening, of metallic pieces by cementation, carbonitridation of heating | Alain Comier, Jean-Marc Viant | 1991-09-03 |