| 9702250 |
Power shovel hoist machinery with auxiliary weight box |
Frank R. Szpek, Jr., Carl D. Gilmore |
2017-07-11 |
| 9506219 |
Support rail and swing gear assembly for a mining vehicle |
Gurbachan S. Bumraw, Carl D. Gilmore, Philip R. Strydom, Christopher R. Wanasek, Jeanne Yaunke |
2016-11-29 |
| 9394944 |
Thrust rail and swing gear assembly for a mining vehicle |
Gurbachan S. Bumraw, Carl D. Gilmore, Philip R. Strydom, Christopher R. Wanasek, Jeanne Yaunke |
2016-07-19 |
| 9388689 |
Multi-deck mining vehicle |
Frank R. Szpek, Jr., Carl D. Gilmore |
2016-07-12 |
| 9279231 |
Removable liner assembly for a dipper |
Gregory A. Gruber |
2016-03-08 |
| 9190852 |
Systems and methods for stabilizing power rate of change within generator based applications |
Robert A. Hamann, Michael G. Onsager, Michael Brandt, Marcelo C. Algrain |
2015-11-17 |
| 9180558 |
Hydraulic door snubber |
Patrick B. Maguire |
2015-11-10 |
| 9127435 |
Power shovel hoist machinery with auxiliary weight box |
Frank R. Szpek, Jr., Carl D. Gilmore |
2015-09-08 |
| 8966792 |
Machine having dipper actuator system |
Carl D. Gilmore, Frank R. Szpek, Jr. |
2015-03-03 |
| 8959805 |
Machine having dipper actuator system |
Carl D. Gilmore, Frank R. Szpek, Jr. |
2015-02-24 |
| 8936232 |
Interlock system |
Thomas Kowalski, Frank R. Szpek, Jr., Mark Medenwaldt |
2015-01-20 |
| 8935865 |
Power shovel having isolated hydraulic dipper actuator |
Frank R. Szpek, Jr. |
2015-01-20 |
| 8935866 |
Power shovel having hydraulically driven dipper actuator |
— |
2015-01-20 |
| 8342236 |
Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel |
Bret A. Tarnowski, Nathaniel A. Falendysz |
2013-01-01 |
| 7975760 |
Tool wrench assembly |
Bret A. Tarnowski |
2011-07-12 |
