Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12053789 | Food pump with safe outlet valve and outer mounted spring | Peihui Liang, Maoyong Zhu, Yonglei Zhang | 2024-08-06 |
| 11415120 | Waterproof emulsion pump with external spring | Peihui Liang, Maoyong Zhu, Yonglei Zhang | 2022-08-16 |
| 11383257 | All-plastic self-locking pump | Peihui Liang, Maoyong Zhu, Yonglei Zhang | 2022-07-12 |
| 11084054 | Lotion pump | — | 2021-08-10 |