Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701787 | Acoustic sensor for pipeline deposition characterization and monitoring of pipeline deposits | Wei Han, Vimal V. Shah, James R. Birchak, Rajnikant M. Amin, Bayram Kalpakci +1 more | 2004-03-09 |
| 6688176 | Single tube densitometer | James Masino, Mark A. Proett, Michael T. Pelletier | 2004-02-10 |
| 6672163 | Acoustic sensor for fluid characterization | Wei Han, James R. Birchak, Thomas Ritter | 2004-01-06 |
| 6670605 | Method and apparatus for the down-hole characterization of formation fluids | David P. Fries | 2003-12-30 |
| 6568271 | Guided acoustic wave sensor for pipeline build-up monitoring and characterization | Vimal V. Shah, James R. Birchak, Wei Han, Rajnikant M. Amin, Bayram Kalpakci +1 more | 2003-05-27 |
| 6552333 | Apparatus and methods for determining gravel pack quality | Larry L. Gadeken, Ward E. Shultz | 2003-04-22 |
| 6543281 | Downhole densitometer | Michael T. Pelletier, Mark A. Proett, James R. Birchak, Thomas Ritter | 2003-04-08 |
| 6513385 | Acoustic sensor for pipeline deposition characterization and monitoring | Wei Han, Vimal V. Shah, James R. Birchak, Rajnikant M. Amin, Bayram Kalpakci +1 more | 2003-02-04 |
| 6470749 | Method and apparatus for pulsed ultrasonic doppler measurement of wall deposition | Wei Han, James R. Birchak, Crispin L. Richards, Vimal V. Shah, Rajnikant M. Amin | 2002-10-29 |
| 6401538 | Method and apparatus for acoustic fluid analysis | Wei Han, James R. Birchak | 2002-06-11 |
| 6378364 | Downhole densitometer | Michael T. Pelletier, Mark A. Proett, James R. Birchak, Thomas Ritter | 2002-04-30 |