Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8220554 | Degradable whipstock apparatus and method of use | Anthony L. Jordan, Raghuram C. Kamath, Manuel Marya | 2012-07-17 |
| 7513302 | Apparatus for orienting a mule shoe to enter a previously-installed tubular in a lateral and method of use | Joseph H. Cassidy | 2009-04-07 |
| 7225873 | Coiled tubing cutter | Tye Schlegelmilch, Gary L. Rytlewski | 2007-06-05 |
| 7086467 | Coiled tubing cutter | Tye Schlegelmilch, Gary L. Rytlewski | 2006-08-08 |
| 7069998 | Fuel cell for downhole and subsea power systems | Wenlin Zhang, Kenneth L. Havlinek | 2006-07-04 |
| 6575248 | Fuel cell for downhole and subsea power systems | Wenlin Zhang, Kenneth L. Havlinek | 2003-06-10 |
| 6293344 | Retainer valve | Gary L. Rytlewski, Anthony P. Vovers | 2001-09-25 |