Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808523 | Particle-based thermal energy storage systems | Zhiwen Ma, Janna Martinek | 2023-11-07 |
| 11740025 | Fluidized-bed heat exchanger for conversion of thermal energy to electricity | Zhiwen Ma, Jeffrey Clayton Gifford, Xingchao Wang | 2023-08-29 |
| 11631992 | Electric charging particle heater for thermal energy storage | Zhiwen Ma, Jeffrey Clayton Gifford, Dening Jia, Jason Schirck, Aaron Morris | 2023-04-18 |
| 11181326 | Particle-based thermal energy storage systems | Zhiwen Ma, Janna Martinek | 2021-11-23 |