Expansion tool assembly for expandable tubular
US-11293254-B2 · Apr 5, 2022 · US
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Yu Yongliang patents
Yu Yongliang is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yu Yongliang |
| Total patents | 4 |
| First publication | Jun 1, 2017 |
| Latest publication | Apr 5, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Expansion tool assembly for expandable tubular
US-2021396092-A1 · Dec 23, 2021 · US
Casing windowing method and tool using coiled tubing
US-10450801-B2 · Oct 22, 2019 · US
Casing windowing method and tool using coiled tubing
US-2017152718-A1 · Jun 1, 2017 · 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 |
|---|---|
| China Nat Petroleum Corp | 4 |
| Cnpc Eng Tech Res & Dev Co Ltd | 3 |
| Cnpc Drilling Res Inst | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/1208 | 4 |
| E21B43/105 | 2 |
| E21B33/1295 | 2 |
| E21B29/06 | 2 |
| E21B37/02 | 2 |