Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927091 | Drill bit with reciprocating gauge assembly | Van Jordan Brackin, Kelley Plunkett, Kevin Clark, Andrew D. Lake, Darien Louis Gurka, Jr. +3 more | 2024-03-12 |
| 11053742 | Cutter retention for rotatable cutter | Van Jordan Brackin, Kelley Plunkett | 2021-07-06 |
| 8534384 | Drill bits with cutters to cut high side of wellbores | Chad J. Beuershausen, Thorsten Schwefe, Britney E. Meckfessel | 2013-09-17 |
| 8479846 | Earth-boring tools including an impact material and methods of drilling through casing | Calvin J. Stowe, II, Andrew D. Ponder, James S. Trahan | 2013-07-09 |
| 8079430 | Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling | Thorsten Schwefe, Chad J. Beuershausen | 2011-12-20 |
| 7178609 | Window mill and drill bit | Daniel R. Hart, Calvin J. Stowe, II, Roy Swanson, Rustom K. Mody, Jack T. Oldham +3 more | 2007-02-20 |