Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955375 | System and method for sampling and analyzing downhole formation fluids | Rocco DiFoggio | 2015-02-17 |
| 8893547 | Acoustic transducers using quantum tunneling composite active elements | Rocco DiFoggio | 2014-11-25 |
| 8878548 | Method for treating and sealing piezoelectric tuning forks | Rocco DiFoggio, Yi Liu, Louis Perez, Kerry L. Sanderlin | 2014-11-04 |
| 8145429 | System and method for sampling and analyzing downhole formation fluids | Rocco DiFoggio | 2012-03-27 |
| 7826050 | System and method for dual path length optical analysis of fluids downhole | Rocco DiFoggio, Francisco Galvan-Sanchez, Daniel T. Georgi | 2010-11-02 |
| 7694734 | Method and apparatus for insulating a resonator downhole | Rocco DiFoggio, Christopher Powell, Peter W. Reittinger, Louis Perez, Srdjan Stankovic | 2010-04-13 |
| 7614302 | Acoustic fluid analysis method | Rocco DiFoggio, Jun-Soo Han | 2009-11-10 |
| 7540165 | Downhole sorption cooling and heating in wireline logging and monitoring while drilling | Rocco DiFoggio | 2009-06-02 |
| 7423258 | Method and apparatus for analyzing a downhole fluid using a thermal detector | Rocco DiFoggio | 2008-09-09 |
| 7362422 | Method and apparatus for a downhole spectrometer based on electronically tunable optical filters | Rocco DiFoggio | 2008-04-22 |
| 7280214 | Method and apparatus for a high resolution downhole spectrometer | Rocco DiFoggio, Arnold Walkow | 2007-10-09 |
| 7214933 | Method and apparatus for a downhole fluorescence spectrometer | Rocco DiFoggio, Arnold Walkow | 2007-05-08 |
| 7162918 | Method and apparatus for downhole fluid characterization using flexural mechanical resonators | Rocco DiFoggio, Arnold Walkow, Peter W. Reittinger | 2007-01-16 |
| 7124596 | Downhole sorption cooling and heating in wireline logging and monitoring while drilling | Rocco DiFoggio | 2006-10-24 |
| 7084392 | Method and apparatus for a downhole fluorescence spectrometer | Rocco DiFoggio, Arnold Walkow, Louis Perez | 2006-08-01 |
| 7016026 | Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer | Rocco DiFoggio, Arnold Walkow, Louis Perez | 2006-03-21 |
| 6938470 | Method and apparatus for downhole fluid characterization using flexural mechanical resonators | Rocco DiFoggio, Arnold Walkow | 2005-09-06 |
| 6798518 | Method and apparatus for a derivative spectrometer | Rocco DiFoggio, Arnold Walkow | 2004-09-28 |
| 6683681 | Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer | Rocco DiFoggio, Arnold Walkow | 2004-01-27 |
| 5606124 | Apparatus and method for determining the gravitational orientation of a well logging instrument | Mark R. Doyle, David M. Chace, Dennis Roessler, John T. Evans | 1997-02-25 |