Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163692 | HVAC apparatus, method, and system | Joe A. Akin | 2024-12-10 |
| 11454407 | HVAC apparatus, method, and system | Joe A. Akin | 2022-09-27 |
| 10072856 | HVAC apparatus, method, and system | Joe A. Akin | 2018-09-11 |
| 9238159 | Log roll | Robert C. Engle, Richard D. Tatum, Jason Beebe, William Bradley Young, Bradley G. Martin +2 more | 2016-01-19 |
| 8686343 | Avalanche photodiode circuits with protection against damage from sudden increases in incident light level | — | 2014-04-01 |
| 4918933 | Add-on refrigerant boiler for electric heat pump | — | 1990-04-24 |
| 4899031 | Pulsed electrical heating of concrete | — | 1990-02-06 |
| 4522035 | Method and apparatus for recovering waste energy | James L. Wise | 1985-06-11 |
| 4437316 | Method and apparatus for recovering waste energy | James L. Wise | 1984-03-20 |