Multi-stage pressure yielding and anti-impact device for anchoring support
US-12129760-B2 · Oct 29, 2024 · US
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Yu Fenghai patents
Yu Fenghai is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yu Fenghai |
| Total patents | 12 |
| First publication | Jan 7, 2021 |
| Latest publication | Oct 29, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Multi-stage pressure yielding and anti-impact device for anchoring support
US-2024328317-A1 · Oct 3, 2024 · US
Test system and method for anchoring performance of full-size rock mass anchor bolt under combined load
US-2024319057-A1 · Sep 26, 2024 · US
Test system and method for anchoring performance of full-size rock mass anchor bolt under combined load
US-12099038-B1 · Sep 24, 2024 · US
Device for monitoring horizontal extrusion force of roof rock strata and method using the same
US-11859493-B2 · Jan 2, 2024 · US
In-situ test device for surrounding rock strength of bolt supported roadway and method thereof
US-11703432-B2 · Jul 18, 2023 · US
In-situ test device for surrounding rock strength of bolt supported roadway and method thereof
US-2022364967-A1 · Nov 17, 2022 · US
Device for monitoring horizontal extrusion force of roof rock strata and method using the same
US-2021332701-A1 · Oct 28, 2021 · US
Anchor bolt length determination method based on monitoring of roof rock stratum horizontal extrusion force
US-11067392-B2 · Jul 20, 2021 · US
Device and method for anchor bolt (cable) supporting structure test and anchoring system performance comprehensive experiment
US-10969314-B2 · Apr 6, 2021 · US
Recent patents
Latest publications not already listed above.
Anchor bolt length determination method based on monitoring of roof rock stratum horizontal extrusion force
US-2021018315-A1 · Jan 21, 2021 · US
Device and method for anchor bolt (cable) supporting structure test and anchoring system performance comprehensive experiment
US-2021003490-A1 · Jan 7, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Shandong Science & Tech | 12 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21F17/185 | 4 |
| E21D20/00 | 4 |
| G01N3/24 | 4 |
| G01N3/22 | 4 |
| G01L1/02 | 2 |