Rock stratum grouting water blocking test device and method under mining coupling condition
US-12117423-B2 · Oct 15, 2024 · US
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Du Yanhui patents
Du Yanhui is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Du Yanhui |
| Total patents | 5 |
| First publication | Mar 23, 2017 |
| Latest publication | Oct 15, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Rock stratum grouting water blocking test device and method under mining coupling condition
US-2024264059-A1 · Aug 8, 2024 · US
Grouting and water-plugging device for fractured rock in mine coupling state, and test method
US-2024085290-A1 · Mar 14, 2024 · US
Grouting and water-plugging device for fractured rock in mine coupling state, and test method
US-11906481-B1 · Feb 20, 2024 · US
Setting and coordination calculation method for protection setting value of dc system
US-2017085076-A1 · Mar 23, 2017 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Shandong Science & Tech | 4 |
| Xj Group Corp | 1 |
| Xj Electric Co Ltd | 1 |
| State Grid Corp China | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N3/02 | 4 |
| G01N2203/0694 | 4 |
| G01N2203/0676 | 4 |
| G01N3/12 | 2 |
| G01N33/24 | 2 |