Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well
US-10928282-B2 · Feb 23, 2021 · US
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Xie Minghua patents
Xie Minghua is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Xie Minghua |
| Total patents | 3 |
| First publication | Oct 11, 2016 |
| Latest publication | Feb 23, 2021 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Petrochina Co Ltd | 2 |
| Abb Technology Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N3/40 | 2 |
| G01N2203/0256 | 2 |
| G01N2203/0218 | 2 |
| G01N2203/0075 | 2 |
| G01N2203/0284 | 2 |