Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231975 | Borehole stabilisation | Claude Vercaemer, Dominique Guillot, Marc Thiercelin | 2007-06-19 |
| 5890537 | Wiper plug launching system for cementing casing and liners | Jason K. Jonas, Bernard Piot | 1999-04-06 |
| 5165474 | "Anti-rotation device for cementing plugs with deformable peripheral ""fins"" o ""lips""" | Paul Buisine | 1992-11-24 |