Safety early warning method and device for full-section tunneling of tunnel featuring dynamic water and weak surrounding rock
US-11634987-B2 · Apr 25, 2023 · US
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Jiang Lingfa patents
Jiang Lingfa is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Jiang Lingfa |
| Total patents | 2 |
| First publication | Apr 14, 2022 |
| Latest publication | Apr 25, 2023 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Inst Rock & Soil Mech Cas | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21F17/18 | 2 |
| G06T17/205 | 2 |
| E21F17/185 | 2 |
| G06T2207/10044 | 2 |
| E21D9/003 | 2 |