Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385518 | Greaseable hinge for a snow wing | Bruce Raymond Vahling | 2025-08-12 |
| 12345005 | Dual stage lift system for a snow wing | Bruce Raymond Vahling, Nathaniel K. Harshman | 2025-07-01 |
| 12252853 | Cylinder sequencing for a dual stage lift system for a snow wing | Bruce Raymond Vahling, Ernest Everett Stoops | 2025-03-18 |
| 12209385 | Circle drive system for a grading machine | Nathaniel K. Harshman, David L. Cox, Bruce Raymond Vahling | 2025-01-28 |
| 12018453 | Retention assembly for grader machine blade | Nathaniel K. Harshman, James David Costner, III, David L. Cox, Tanner Cade Koehne | 2024-06-25 |
| 11976716 | Seal assembly for a grading machine | Nathaniel K. Harshman, Nikhil Sharma | 2024-05-07 |
| 11598068 | Drawbar assembly for a motor grader | Davida Ray Reang, David L. Cox | 2023-03-07 |
| 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 |
| 11041286 | Retention assembly for grader machine blade | Nathaniel K. Harshman, James David Costner, III, David L. Cox, Tanner Cade Koehne | 2021-06-22 |
| 10934683 | Ball stud joint assembly with grease groove | — | 2021-03-02 |
| 10851509 | Wear pad assembly for implements of machines | — | 2020-12-01 |
| 10774503 | Motor grader with mid-mount scarifier system | David L. Cox, Bruce Raymond Vahling | 2020-09-15 |
| 10458081 | Work attachment for motor grader | Sean M. Hayes, David L. Cox, Nathaniel K. Harshman | 2019-10-29 |