Method and device for building underground storehouse by dissolving limestone with carbon dioxide
US-9850756-B2 · Dec 26, 2017 · US
Zhang Ru 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 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
Representative or frequently cited publications from precomputed assignee stats.
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 2 |
| Chemistry & Metallurgy | 2 |
| Fixed Constructions | 2 |
| Cross-Sectional Technologies | 2 |