Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270235 | Counterbalance hinge assembly | David Lay, Daye Zhang | 2025-04-08 |
| 12270238 | Counterbalance hinge assembly | David Lay, Daye Zhang | 2025-04-08 |
| D1048857 | Cam | David Lay, Daye Zhang | 2024-10-29 |
| 11905732 | Door lock assembly with interchangeable cylinders | Norman Allen Smith | 2024-02-20 |
| 11547790 | Intravenous fluid bag holder | Daye Zhang | 2023-01-10 |
| 11110746 | Work vehicle | — | 2021-09-07 |
| 10905047 | Grass mower and flow booster | — | 2021-02-02 |
| 10864771 | Vehicle wheel | Barry Jordan | 2020-12-15 |
| 10252571 | Work vehicle | Barry Jordan | 2019-04-09 |
| 9932070 | Work vehicle | — | 2018-04-03 |
| 9642303 | Grass cutter including a fan above the mower deck | — | 2017-05-09 |
| 9285028 | Self-propelling work vehicle for forward and reverse drive | Maxwell Reichard, Masahiro Yamada | 2016-03-15 |
| 8756903 | Work vehicle with stroke adjustment mechanism for suspended work implement unit | — | 2014-06-24 |
| 8646952 | Ride-on mower having headlight | Andrew Thornton | 2014-02-11 |
| 5090930 | Power-driven float assembly | — | 1992-02-25 |