Method of paving a roadway using hydrogel modified subgrade
US-12522984-B2 · Jan 13, 2026 · US
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Du Yefeng patents
Du Yefeng is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Du Yefeng |
| Total patents | 3 |
| First publication | May 16, 2024 |
| Latest publication | Jan 13, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
System for loading dynamic stress on subgrade or foundation based on multi-servo channel and control method thereof
US-2026009200-A1 · Jan 8, 2026 · US
Adjustment method of moisture content and dense state for hydrogel improved subgrade based on weather-resistant during in-service period
US-2024158994-A1 · May 16, 2024 · 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 Jiaotong | 3 |
| Univ Shandong | 3 |
| Univ Chongqing | 3 |
| Jinan Jinyue Highway Eng Co Ltd | 2 |
| Jinan Docer Testing Machine Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E01C19/00 | 2 |
| E01C3/003 | 2 |
| C08K2201/014 | 2 |
| C08K3/346 | 2 |
| C08K3/22 | 2 |