Method and device for building underground storehouse by dissolving limestone with carbon dioxide
US-9850756-B2 · Dec 26, 2017 · US
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Wang Yufei patents
Wang Yufei holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | May 28, 2015 |
| Latest publication | Dec 26, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
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Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 2 |
| Chemistry & Metallurgy | 2 |
| Fixed Constructions | 2 |
| Cross-Sectional Technologies | 2 |