Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512445 | Drawbar-circle-moldboard assembly for a work machine | — | 2022-11-29 |
| 11505912 | Motor grader circle drawbar debris remover | Lankesh Kumar Mathur Shanmukappa, Nathaniel K. Harshman, Bruce Raymond Vahling | 2022-11-22 |
| 11453996 | Sealing assembly | Nathaniel K. Harshman, Lankesh Mathur Shanmukappa, Bruce Raymond Vahling | 2022-09-27 |
| 11447927 | Support assembly for a grading machine | Nathaniel K. Harshman, Davida Ray Reang | 2022-09-20 |
| 11268258 | Extendable scarifier system | Rena J. Kanegae, David L. Cox, Nathan Tissier, Nathaniel K. Harshman | 2022-03-08 |
| 11230820 | Circle drive system for a grading machine | Nathaniel K. Harshman, David L. Cox, Bruce Raymond Vahling | 2022-01-25 |