Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538896 | Hoist drum for power shovel | Jason J. Trotnow | 2020-01-21 |
| 10144622 | Modular hoist drum for power shovel | Aruna Kinjarapu, Robin Varghese, Sivakumar Subramaniam, Tridib Das, Joseph A. Rapp +1 more | 2018-12-04 |
| 9506219 | Support rail and swing gear assembly for a mining vehicle | David T. Bienfang, 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 | David T. Bienfang, Carl D. Gilmore, Philip R. Strydom, Christopher R. Wanasek, Jeanne Yaunke | 2016-07-19 |
| D756061 | Anchor hoist drum | Jason J. Trotnow | 2016-05-10 |