Method for detecting stress state of roadway surrounding rocks based on three-dimensional electric potential response
US-12590542-B2 · Mar 31, 2026 · US
Li Zhonghui is listed as an inventor on 11 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Zhonghui |
| Total patents | 11 |
| First publication | Apr 16, 2020 |
| Latest publication | Mar 31, 2026 |
Publications ranked by popularity score, then publication date.
US-12590542-B2 · Mar 31, 2026 · US
US-2025277451-A1 · Sep 4, 2025 · US
US-12252972-B1 · Mar 18, 2025 · US
US-2025075605-A1 · Mar 6, 2025 · US
US-11300664-B1 · Apr 12, 2022 · US
US-11268377-B2 · Mar 8, 2022 · US
US-11174722-B2 · Nov 16, 2021 · US
US-2021262341-A1 · Aug 26, 2021 · US
US-10947842-B2 · Mar 16, 2021 · US
US-2020200004-A1 · Jun 25, 2020 · US
Latest publications not already listed above.
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ China Mining | 10 |
| Xuzhou Fuan Tech Co Ltd | 2 |
| Inst Automation Cas | 1 |
| Beijing Engo Tech Co Ltd | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B47/06 | 6 |
| E21B47/14 | 4 |
| E21B47/07 | 4 |
| E21B47/024 | 4 |
| E21B49/00 | 4 |