Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697968 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden | 2023-07-11 |
| 11180958 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden | 2021-11-23 |
| 10883315 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden | 2021-01-05 |
| 10883314 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden | 2021-01-05 |
| 10465445 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden | 2019-11-05 |
| 9593542 | Casing float tool | Donald Getzlaf, Marty Stromquist, John Ravensbergen, David Devlin, Doulgas Braden | 2017-03-14 |
| 8365829 | Tubular seat and tubular actuating system | Justin Kellner, Jason Coe, Dwayne Walkoviak, James S. Sanchez, David B. Ruddock | 2013-02-05 |