Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657894 | Use of resonant mixing to produce impregnated bits | Cody A. Pearce, Christian M. Lambert, Nathan Carlson, Joseph R. Moody | 2014-02-25 |
| 8616303 | Helical drilling apparatus, systems, and methods | Christopher L. Drenth, Christian M. Lambert | 2013-12-31 |
| 8590646 | Impregnated cutting elements with large abrasive cutting media and methods of making and using the same | Christian M. Lambert | 2013-11-26 |
| 8459381 | Drill bits with axially-tapered waterways | Cody A. Pearce, Christian M. Lambert | 2013-06-11 |
| 8191445 | Methods of forming fiber-containing diamond-impregnated cutting tools | Kristian S. Drivdahl | 2012-06-05 |
| 8146686 | Fiber-containing cutting tools | Kristian S. Drivdahl | 2012-04-03 |
| 8051929 | Core drill bits with enclosed fluid slots | K. Shayne Drivdahl | 2011-11-08 |
| D647115 | Drill bit waterway | Cody A. Pearce, Christian M. Lambert | 2011-10-18 |
| D647114 | Drill bit with tapered waterway | Cody A. Pearce, Christian M. Lambert | 2011-10-18 |
| 8025107 | Reamer with polycrystalline diamond compact inserts | Kristian S. Drivdahl, Erik M. Gaugh | 2011-09-27 |
| 8006783 | Helical drilling apparatus, systems, and methods | Christopher L. Drenth | 2011-08-30 |
| 7975785 | Drilling systems including fiber-containing diamond-impregnated cutting tools | Kristian S. Drivdahl | 2011-07-12 |
| 7958954 | Drill bits with enclosed slots | K. Shayne Drivdahl | 2011-06-14 |
| 7918288 | Drill bits with enclosed fluid slots and method | K. Shayne Drivdahl | 2011-04-05 |
| 7909119 | Drill bits with notches and enclosed slots | K. Shayne Drivdahl | 2011-03-22 |
| 7874384 | Drill bits with increased crown height | K. Shayne Drivdahl | 2011-01-25 |
| D630656 | Drill bit | Christian M. Lambert | 2011-01-11 |
| 7828090 | Drill bits with enclosed fluid slots and internal flutes | K. Shayne Drivdahl | 2010-11-09 |
| D622745 | Drill bit with tapered waterway | Cody A. Pearce, Christian M. Lambert | 2010-08-31 |
| 7695542 | Fiber-containing diamond-impregnated cutting tools | Kristian S. Drivdahl | 2010-04-13 |
| 7628228 | Core drill bit with extended crown height | K. Shayne Drivdahl | 2009-12-08 |
| 6988336 | Fireplace enclosure | — | 2006-01-24 |