Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9891336 | Acoustic isolator for downhole tools | Chung Chang, Abbas Arian, Gary Kainer, Paul G. Junghans, Arthur Cheng | 2018-02-13 |
| 9664016 | Acoustic artificial lift system for gas production well deliquification | Dennis John Harris, Laurence T. Wisniewski, Abbas Arian, Georgios L. Varsamis | 2017-05-30 |
| 9322947 | Acoustic receiver assembly for downhole tools | Chung Chang, Abbas Arian, Gary Kainer, Arthur Cheng | 2016-04-26 |
| 9038766 | Broadband flex joint isolator for acoustic tools | Abbas Arian | 2015-05-26 |
| 8325064 | Electronic navigation system and method | David A. Behr | 2012-12-04 |
| 7924173 | Electronic navigation system and method | David A. Behr | 2011-04-12 |
| 7432830 | Electronic navigation system and method | David A. Behr | 2008-10-07 |
| 7347284 | Apparatus and method for hard rock sidewall coring of a borehole | Abbas Arian, Bruce Mackay, Ken Smith, Wes Ludwig | 2008-03-25 |
| 7049981 | Electronic navigation system and method | David A. Behr | 2006-05-23 |
| 6834743 | Wideband isolator for acoustic tools | Abbas Arian | 2004-12-28 |
| 6614363 | Electronic navigation system and method | David A. Behr | 2003-09-02 |
| 6104316 | Computerized navigation system | David A. Behr | 2000-08-15 |
| 5543789 | Computerized navigation system | David A. Behr | 1996-08-06 |