Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394202 | Compositions and methods for well cementing | Olivier Porcherie, Elena Pershikova, Hafida Achtal, Yamina Boubeguira, Benedicte Ayache-Zusatz | 2016-07-19 |
| 7650952 | Passive vertical drilling motor stabilization | Hugo Roberto Marquez | 2010-01-26 |
| 7228918 | System and method for forming an underground bore | Marc Bruderer | 2007-06-12 |
| 5096666 | Rare earth and aluminium containing galvanizing bath and method | Verdun H. Farnsworth | 1992-03-17 |