Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570669 | Earth-boring tools having impregnated cutting structures and methods of forming and using the same | Nathaniel R. Adams | 2020-02-25 |
| 10494875 | Impregnated drill bit including a planar blade profile along drill bit face | — | 2019-12-03 |
| 9752387 | Plow-shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods | Nicholas J. Lyons | 2017-09-05 |
| 9598911 | Coring tools and related methods | Thomas Uhlenberg | 2017-03-21 |
| 9371699 | Plow-shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods | Nicholas J. Lyons | 2016-06-21 |
| 8408338 | Impregnated rotary drag bit with enhanced drill out capability | — | 2013-04-02 |
| 8191657 | Rotary drag bits for cutting casing and drilling subterranean formations | Henning Finke | 2012-06-05 |
| 7621350 | Impregnated bit with changeable hydraulic nozzles | — | 2009-11-24 |
| 7617747 | Methods of manufacturing rotary drag bits including a central region having a plurality of cutting structures | David Watson | 2009-11-17 |
| 7278499 | Rotary drag bit including a central region having a plurality of cutting structures | David Watson | 2007-10-09 |
| 6843333 | Impregnated rotary drag bit | Van Jordan Brackin, Matthew R. Isbell, Douglas J. Bobrosky, M. MacLean Price | 2005-01-18 |
| 6510906 | Impregnated bit with PDC cutters in cone area | Van Jordan Brackin, Matthew R. Isbell, Douglas J. Bobrosky | 2003-01-28 |