Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041300 | Cooling apparatus of regulating tank | — | 2021-06-22 |
| 10981803 | Regulating tank of wastewater treatment system | — | 2021-04-20 |
| 10954146 | Combination of trickling filter and aeration tank of wastewater treatment system | — | 2021-03-23 |
| 10913671 | Microbiological culture apparatus of wastewater treatment system | — | 2021-02-09 |