Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D943851 | Vacuum cleaner | — | 2022-02-15 |
| D882192 | Car vacuum cleaner | — | 2020-04-21 |
| D864875 | Car charger | — | 2019-10-29 |
| 10266744 | Accelerator used for drilling fluids, water-based drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-23 |
| 10253237 | Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-09 |
| 9902890 | Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof | Guancheng Jiang, Yinbo He, Chong Liu, Qingying Ge, Lili Yang +7 more | 2018-02-27 |
| 9890318 | Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging | Guancheng Jiang, Chong Liu, Yinbo He, Qingying Ge, Lili Yang +10 more | 2018-02-13 |