Fold back swell packer
US-9523256-B2 · Dec 20, 2016 · US
Yang Liuqing is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yang Liuqing |
| Total patents | 2 |
| First publication | Oct 29, 2015 |
| Latest publication | Dec 20, 2016 |
Publications ranked by popularity score, then publication date.
US-9523256-B2 · Dec 20, 2016 · US
US-2015308214-A1 · Oct 29, 2015 · US
Latest publications not already listed above.
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Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Schlumberger Technology Corp | 2 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/127 | 2 |
| E21B33/1216 | 2 |
| E21B23/06 | 2 |
| E21B33/1208 | 2 |