Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738541 | System and method for threaded riser auxiliary lines | Gregory Myers, Farhat A. Shaikh, Ranjit Jangili | 2020-08-11 |
| 8733455 | Roller standoff assemblies | Farhat A. Shaikh, Paul G. Junghans, Ron Parsley | 2014-05-27 |
| 8171990 | In-situ formation strength testing with coring | Borislav J. Tchakarov, Quan V. Phan, Mohammed Azeemuddin, See H. Ong | 2012-05-08 |
| 8074712 | Stop collar friction clamping device | Shawn A. Olsen, Roger R. Steinsiek | 2011-12-13 |
| 7649357 | Side entry leak protection for downhole tools | Borislav J. Tchakarov | 2010-01-19 |
| 6627873 | Down hole gas analyzer method and apparatus | Borislav J. Tchakarov, Rocco DiFoggio, Stanislav W. Forgang, Otto N. Fanini, Marcelo F. Civarolo | 2003-09-30 |
| 6484801 | Flexible joint for well logging instruments | James E. Brewer, Borislav J. Tchakarov, Paul G. Junghans | 2002-11-26 |
| 6218662 | Downhole carbon dioxide gas analyzer | Borislav J. Tchakarov, Rocco DiFoggio, Stanislav Forgang, Otto N. Fanini, Marcelo F. Civarolo | 2001-04-17 |
| 5495547 | Combination fiber-optic/electrical conductor well logging cable | Saeed Rafie, Stephen T. Ha, Josephine Lopez, Mark R. Doyle | 1996-02-27 |