Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392095 | Machine, system and method for road construction | Huachun Zhai, Scott McGowan, Alejandro Rosales | 2025-08-19 |
| 12258718 | Paving machine having a containment basin | Huachun Zhai, Devin Glenn Crighton | 2025-03-25 |
| 11993896 | Adjustable paving machine | Huachun Zhai, Devin Glenn Crighton | 2024-05-28 |
| 11753778 | Adjustable paving machine | Huachun Zhai, Devin Glenn Crighton | 2023-09-12 |
| 7351391 | System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution | Charles D. Blumenschein | 2008-04-01 |
| 5562828 | Method and apparatus for recovering acid and metal salts from pricklining liquors | Daniel E. Bailey | 1996-10-08 |