Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8984734 | Step-to-step wedge thread connections and related methods | David Llewellyn Mallis | 2015-03-24 |
| 8496274 | Step-to-step wedge thread connections and related methods | David Llewellyn Mallis | 2013-07-30 |
| 8177262 | Mid-seal for expandable connections | Robert S. Sivley, IV, Harris A. Reynolds, Jr. | 2012-05-15 |
| 8029025 | Single taper wedge thread connection with mid-seal | Robert S. Sivley, IV | 2011-10-04 |
| 7475917 | Threaded connection with variable flank angles | Robert S. Sivley, IV, Doug Enderle | 2009-01-13 |