Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053954 | Cementing a liner using reverse circulation | Arthur Stautzenberger, David Matus, Odee Daigle, Ryan T. Humphrey, Stephen Ross Maddux | 2018-08-21 |
| 9976395 | Expandable tie back seal assembly | — | 2018-05-22 |
| 9869157 | Reverse circulation cementing system for cementing a liner | Emile Edmund Sevadjian, Gary Allen Kohn, Arthur Stautzenberger, Grant Lynn Hartman, Stephen Ross Maddux +3 more | 2018-01-16 |