Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6632777 | Drilling fluids comprising oil emulsions in water | Stefano Carminati, Alberto Guarneri | 2003-10-14 | $856,000 |
| 6500785 | Water-based drilling fluid containing anions with a high hydrodynamic radius | Stefano Carminati | 2002-12-31 | $1,584,000 |
| 6164389 | Core sampling method and core sampler therefor | Philippe Fanuel, Rune Holt, Cor Kenter | 2000-12-26 | |
| 5844136 | Device for measuring the permeability of rock fragments | Alberto Marsala, Frederic Joseph Santarelli, Adriano Figoni, Elio Rossi | 1998-12-01 |