Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692923 | Standard sample for measuring rock porosity by helium method | Hongyu Du, Minghui Qi, Qian Cao, Hu Liu, Yeyu Zhang +1 more | 2023-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692923 | Standard sample for measuring rock porosity by helium method | Hongyu Du, Minghui Qi, Qian Cao, Hu Liu, Yeyu Zhang +1 more | 2023-07-04 |