Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635076 | Variable displacement vane pump with improved pressure control and range | Dennis Koenig, Douglas G. Hunter, Fuzheng Hu | 2023-04-25 |
| 8430645 | Two stage pressure regulation system for variable displacement hydraulic pumps | Douglas G. Hunter | 2013-04-30 |
| 7726948 | Hydraulic pump with variable flow and variable pressure and electric control | Douglas G. Hunter | 2010-06-01 |