Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7195730 | Method for making centralizers for centralising a tight fitting casing in a borehole | Angelo Calderoni | 2007-03-27 |
| 6349595 | Method for optimizing drill bit design parameters | Lorenzo Civolani | 2002-02-26 |
| 5691475 | Method for measuring the propagation velocity of ultrasonic acoustic waves through rock fragments | Alberto Marsala, Santarelli Frederic | 1997-11-25 |