Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858723 | Copper-nickel-tin alloy with high toughness | W. Raymond Cribb, Chad A. Finkbeiner | 2020-12-08 |
| 10844671 | Low friction and high wear resistant sucker rod string | Diane M. Nielsen, William D. Nielsen, Richard E. Cash, Christopher W. Damschroder | 2020-11-24 |
| 10626489 | Wear-resistant Cu—Ni—Sn coating | Robert E. Kusner, David J. Krus, William D. Nielsen, Karl R. Ziegler | 2020-04-21 |
| 10597949 | Drilling component | William D. Nielsen, Diane M. Nielsen, Christopher W. Damschroder | 2020-03-24 |