Method of treating tunnel collapse using pavilion support
US-11306588-B2 · Apr 19, 2022 · US
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Yu Fu patents
Yu Fu is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yu Fu |
| Total patents | 4 |
| First publication | Nov 18, 2021 |
| Latest publication | Apr 19, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Method of treating tunnel collapse with roof-contacted shield support
US-11248464-B2 · Feb 15, 2022 · US
Method of treating tunnel collapse using pavilion support
US-2021388724-A1 · Dec 16, 2021 · US
Method of treating tunnel collapse with roof-contacted shield support
US-2021355828-A1 · Nov 18, 2021 · 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 |
| China Communications Construction Co Ltd | 4 |
| Qingdao West Coast Rail Transit Co Ltd | 4 |
| Qingdao First Municipal Eng Co Ltd | 4 |
| Hebei Feipu Environmental Protection Tech Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21D11/18 | 4 |
| E21D15/44 | 4 |
| E21D17/00 | 4 |
| E21D11/105 | 4 |
| E21D11/152 | 4 |