Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822885 | Reduced drag casing connection | — | 2020-11-03 |
| 8882066 | Buoyant clamp for tubular members | Gregory K. Otten | 2014-11-11 |
| 8075023 | Coupling for drilling-with-casing operations | George B. Geary | 2011-12-13 |
| 7347459 | Coupling for drilling-with-casing operations | George B. Geary | 2008-03-25 |
| 6695357 | Threaded pipe connection having a retainer gasket with pressure relief vents | Douglas Schenk | 2004-02-24 |
| 6550822 | Threaded coupling with water exclusion seal system | James L. Peterson | 2003-04-22 |