Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8364421 | Downhole sanding analysis tool | Felix Chen | 2013-01-29 |
| 7675252 | Methods of constructing a betatron vacuum chamber and injector | Felix Chen, Joyce Wong, Stephen Balkunas, Zilu Zhou, James Haug | 2010-03-09 |
| 7500388 | Method and apparatus for in-situ side-wall core sample analysis | Go Fujisawa, Oliver C. Mullins, Peter Wraight, Joel L. Groves, Lennox Reid +2 more | 2009-03-10 |
| 7075062 | Apparatus and methods for downhole determination of characteristics of formation fluids | Felix Chen, Oliver C. Mullins, Xu Wu, John Barry Fitzgerald, Anthony Robert Holmes Goodwin | 2006-07-11 |
| 5122662 | Circular induction accelerator for borehole logging | Felix Chen, William Bertozzi, William Thomas Diamond, Joseph Doucet, Jeffrey S. Schweitzer | 1992-06-16 |