Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140115 | Methods of using enhanced wellbore electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin, Matthew Billingham +1 more | 2015-09-22 |
| 8807225 | Methods of using enhanced wellbore electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin, Matthew Billingham +1 more | 2014-08-19 |
| 8413723 | Methods of using enhanced wellbore electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin, Matthew Billingham +1 more | 2013-04-09 |
| 8227697 | Enhanced wellbore electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin | 2012-07-24 |
| 7586042 | Enhanced wellbore electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin | 2009-09-08 |
| 7324730 | Optical fiber cables for wellbore applications | Joseph Varkey, Ravicharan Mydur, Willem Wijnberg, Sumitra Kunathikom, Monica Darpi | 2008-01-29 |
| 7170007 | Enhanced electrical cables | Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin | 2007-01-30 |
| 6924436 | Partial discharge resistant electrical cable and method | Joseph Varkey | 2005-08-02 |