Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713655 | Liner hanger for use with an expansion tool having an adjustable cone | Eric J. Connor | 2023-08-01 |
| 11352858 | Liner hanger for use with an expansion tool having an adjustable cone | Eric J. Connor | 2022-06-07 |
| 8695698 | Expansion system for expandable tubulars | — | 2014-04-15 |
| 8360142 | High-ratio tubular expansion | Douglas Glenn Durst, Adam Johnson | 2013-01-29 |
| 8100186 | Expansion system for expandable tubulars and method of expanding thereof | — | 2012-01-24 |
| 7823659 | Apparatus and methods for drilling and lining a wellbore | Darrell Scott Costa, Kevin Waddell, Edwin Zwald, Charles Butterfield, Mark Holland +2 more | 2010-11-02 |
| 7789140 | System and method for radially expanding and plastically deforming a wellbore casing | — | 2010-09-07 |
| 7779923 | Methods and apparatus for anchoring and expanding tubular members | Mark Holland, Edwin Zwald | 2010-08-24 |
| 7779909 | Liner hanger | Robert Lance Cook, Lev Ring, David Paul Brisco | 2010-08-24 |
| 7172021 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, William J. Dean, Andrei Gregory Filippov +6 more | 2007-02-06 |
| 6976541 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, William J. Dean, Andrei Gregory Filippov +6 more | 2005-12-20 |
| 6148294 | System and method for computer directory updating and presentation based on frequency of access | William J. Beyda | 2000-11-14 |
| 6005573 | Method and system for establishing area boundaries in computer applications | William J. Beyda | 1999-12-21 |