Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110657 | Switching device for double nozzles of 3D printer | Jianzhe Li, Hua Feng, Junjie Zong | 2021-09-07 |
| 11072116 | Switching device for printing mode of 3D printer | Jianzhe Li, Hua Feng, Xi Cao | 2021-07-27 |
| 11059218 | Methods for adjusting height of a 3D printer nozzle | Xi Cao, Hua Feng, Jianzhe Li, Jinjing Zhang, Xiaoyu Wu +4 more | 2021-07-13 |
| 11045999 | Throat structures for 3D printers, and nozzle apparatus and 3D printers having throat structures | Hua Feng, Jianzhe Li | 2021-06-29 |
| 11046013 | Extruder calibration method for dual-extruder 3D printer and system thereof | Hua Feng, Jianzhe Li, Jinjing Zhang, Xi Cao, Xiaoyu Wu +1 more | 2021-06-29 |