Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492555 | Processing method for perennially polluted sludge containing oils and water, waste residues or oil sands deep in natural oil mines, and processing system thereof | Dong Zhang, Rong Zha, Meng-Yun Ying | 2022-11-08 |
| D889621 | Air purifier | Ping Huang | 2020-07-07 |
| 10661320 | Method and apparatus for dewatering biological solid material employing both microwave irradiation and solvent extraction | Dong Zhang, Zizeng Lin, Zhiwei Shi | 2020-05-26 |
| 8747526 | Vertical type air humidifying and purifying machine | Ping Huang, Chia-Chang Lee | 2014-06-10 |
| D664248 | Vertically-oriented air purifying and humidifying apparatus | Ping Huang, Chia-Chang Lee | 2012-07-24 |