| 10030515 |
Tool holder and base mounting assembly |
Luke A. Weber, Eric P. Helsel, Brian K. Lavely, Timothy A. LaMantia |
2018-07-24 |
| 9422812 |
Cutting tool mounting assembly with elastomeric coated bushing |
Nicholas J. Paros, Chad A. Swope |
2016-08-23 |
| 8523289 |
Retention assembly for cutting bit |
Eric P. Helsel, Stephen P. Stiffler, Don C. Rowlett |
2013-09-03 |
| 8523290 |
Rotatable cutting tool-tool holder-base assembly |
Eric P. Helsel, Don C. Rowlett, Stephen P. Stiffler, Wayne H. Beach |
2013-09-03 |
| 8061783 |
Bit holder block with non-rotating wear sleeve |
Don C. Rowlett |
2011-11-22 |
| 7883154 |
Cutting tool with water injection to the cutting bit shank |
Wayne H. Beach, Stephen P. Stiffler, Eric P. Helsel |
2011-02-08 |
| 7883153 |
Road milling drum having an adjustable width |
Stephen P. Stiffler, Eric P. Helsel, Don C. Rowlett |
2011-02-08 |
| 7708087 |
Countersink roof bit drill and method for using the same |
Brandon S. Stables, Douglas E. Bise, John G. Oldsen, David Rife, John C. Stankus +1 more |
2010-05-04 |
| 6485104 |
Cutting tool assembly with replaceable spray nozzle housing |
— |
2002-11-26 |
| 4281879 |
Stabilizing assembly for a mining machine |
Maurice K. LeBegue, Ronald W. Keen |
1981-08-04 |