Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434729 | Expandable liner | Richard W. DeLange, John R. Setterberg, Jr., Scott H. Osburn, Gregory G. Galloway | 2022-09-06 |
| 10648297 | Expandable liner | Richard W. DeLange, John R. Setterberg, Jr., Scott H. Osburn, Gregory G. Galloway | 2020-05-12 |
| 9169722 | Methods and apparatus relating to expansion tools for tubular strings | Richard W. DeLange, Scott H. Osburn, Varadaraju Gandikota | 2015-10-27 |
| 9091124 | Wear and buckling resistant drill pipe | John W. Kochera, Melissa Frilot, Thomas M. Redlinger | 2015-07-28 |
| 9085942 | Repaired wear and buckle resistant drill pipe and related methods | David J. Brunnert, John W. Kochera, Mark S. Mitchell, Melissa Frilot, Thomas M. Redlinger | 2015-07-21 |
| 8714243 | Methods and apparatus relating to expansion tools for tubular strings | Richard W. DeLange, Scott H. Osburn, Varadaraju Gandikota | 2014-05-06 |
| 8181707 | Apparatus and methods to protect connections | Merle E. Evans, John R. Setterberg, Jr., Lev Ring, Richard W. DeLange | 2012-05-22 |
| 7887103 | Energizing seal for expandable connections | Merle E. Evans, John R. Setterberg, Jr., Robert P. Badrak, Patrick Maguire | 2011-02-15 |
| 7798238 | Apparatus and methods to protect connections | Merle E. Evans, John R. Setterberg, Jr., Lev Ring, Richard W. DeLange | 2010-09-21 |
| 7798536 | Reverse sliding seal for expandable tubular connections | Simon J. Harrall, Lev Ring, Merle E. Evans | 2010-09-21 |
| 7621570 | Pre-expanded connector for expandable downhole tubulars | — | 2009-11-24 |
| 7610667 | Method of connecting expandable tubulars | — | 2009-11-03 |
| 7478844 | Pre-expanded connector for expandable downhole tubulars | — | 2009-01-20 |
| 7452007 | Hybrid threaded connection for expandable tubulars | Lev Ring, John R. Setterberg, Jr. | 2008-11-18 |
| 7125053 | Pre-expanded connector for expandable downhole tubulars | — | 2006-10-24 |
| 6971685 | Multi-point high pressure seal for expandable tubular connections | — | 2005-12-06 |
| 6863313 | Threaded connection for internally clad pipe | Richard W. DeLange | 2005-03-08 |
| 6767035 | High torque modified profile threaded tubular connection | — | 2004-07-27 |
| 6273474 | Threaded connection for internally clad pipe | Richard W. DeLange | 2001-08-14 |
| 6042153 | Threaded connection for internally clad pipe | Richard W. DeLange | 2000-03-28 |