Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D856153 | Jar | Chang Hsien Liu | 2019-08-13 |
| D856154 | Jar | Chang Hsien Liu | 2019-08-13 |
| D855473 | Jar | Chang Hsien Liu | 2019-08-06 |
| 8991732 | Conveyor and spreader | — | 2015-03-31 |
| 6285198 | Grain moisture sensor | Frederick W. Nelson, Kent Robert Hawk, Terence D. Pickett | 2001-09-04 |
| 5686671 | Grain mass flow sensor for an agricultural combine | Frederick W. Nelson, Kent Robert Hawk, Terence D. Pickett, James J. Phelan, Gregory C. Eckart | 1997-11-11 |