Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427927 | Welcome pedal and electric pedal device | Jin Wang, Xuanmo Guo | 2025-09-30 |
| 12231471 | Method for realizing video conference, and terminal and SIP gateway | Long SHU, Xiaoqin Guo | 2025-02-18 |
| 12221888 | Ventilation method for high gas working face based on alternating intake and air return in mine gallery | Guorui Feng, Zhu Li, Jianyu Fan, Chengen Qi, Guilin WU | 2025-02-11 |