Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378755 | Water tank drainage volume control structure, and toilet | Rongyu Zhang | 2025-08-05 |
| 12330957 | Method of producing annealing separator, annealing separator, and grain-oriented magnetic steel | — | 2025-06-17 |
| 12330956 | Method of producing annealing separator, annealing separator, and grain-oriented magnetic steel | — | 2025-06-17 |
| 12059646 | Adsorption and desorption apparatus | Muhammad Munir Sadiq, Michael Batten, Aaron Thornton, Matthew Roland Hill, Kristina Konstas +3 more | 2024-08-13 |
| 11898337 | Effort-saving flap-type drain valve | Shunxing Zhou, Ruiliang Chen, Rongyu Zhang | 2024-02-13 |
| 9587387 | Dual-drainage switching mechanism of water tank | Rongyu Zhang, Bing Wang | 2017-03-07 |
| 9032561 | Lever control mechanism of a drain valve of a toilet tank | Meijuan Chen, Bing Wang | 2015-05-19 |