Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11906085 | Quick-fitting pipe fitting | Zhigang Lu, Xubin Lu, Jun Wu | 2024-02-20 |
| 11898675 | Pipe element coupler and coupling method thereof | Zhigang Lu | 2024-02-13 |
| 11781685 | Quick-fitting pipe fitting assembly | Zhigang Lu | 2023-10-10 |
| 11781686 | Quick-fitting pipe fitting assembly | Zhigang Lu | 2023-10-10 |
| 10851928 | Pipe element coupler and coupling method thereof | Zhigang Lu | 2020-12-01 |
| 10711929 | Pipe element coupler and coupling method thereof | Zhigang Lu | 2020-07-14 |