Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398923 | Condensing heat exchanger and water heater having same | Wei D. Wang, Chengjun Zhang | 2025-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398923 | Condensing heat exchanger and water heater having same | Wei D. Wang, Chengjun Zhang | 2025-08-26 |