Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10669820 | Frac and gravel packing system having return path and method | James A. Smith, Adam McGuire, Wilfred Provost, Andrew Cayson | 2020-06-02 |
| 10428609 | Downhole tool actuation system having indexing mechanism and method | Benjamin Farrar, James A. Smith | 2019-10-01 |
| 9279302 | Plug counter and downhole tool | — | 2016-03-08 |
| 9188235 | Plug counter, fracing system and method | Yang Xu | 2015-11-17 |
| 8789600 | Fracing system and method | Maria M. O'Connell, Yang Xu, Lale Korkmaz | 2014-07-29 |
| 8668013 | Plug counter, fracing system and method | Maria M. O'Connell, Yang Xu, Lale Korkmaz | 2014-03-11 |
| 8479823 | Plug counter and method | — | 2013-07-09 |
| 6715560 | Collet-cone slip system for releasably securing well tools | James C. Doane, Conrad Gustave Weining | 2004-04-06 |
| 6241017 | Caged slip system and release methods | James C. Doane, Henry Joe Jordan, Jr. | 2001-06-05 |
| 6203020 | Downhole packer with element extrusion-limiting device | James C. Doane | 2001-03-20 |
| 6119774 | Caged slip system | James C. Doane, Henry Joe Jordan, Jr. | 2000-09-19 |
| 5636694 | Hydraulic power stroker for shifting of sliding sleeves | Jesse J. Constantine | 1997-06-10 |