Bionic and dual-phobic high-performance water-based drilling fluid
US-11787990-B2 · Oct 17, 2023 · US
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Luo Jiansheng patents
Luo Jiansheng is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Luo Jiansheng |
| Total patents | 5 |
| First publication | Feb 17, 2022 |
| Latest publication | Oct 17, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Bionic and dual-phobic high-performance water-based drilling fluid
US-2023133053-A1 · May 4, 2023 · US
Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid
US-11578251-B2 · Feb 14, 2023 · US
Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid
US-2022204833-A1 · Jun 30, 2022 · US
Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid
US-2022049148-A1 · Feb 17, 2022 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ China Petroleum Beijing | 5 |
| Cnpc Chuanqing Drilling Eng Co | 2 |
| Cnpc Eng Tech Res & Dev Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/24 | 5 |
| C09K8/512 | 3 |
| C08F222/08 | 3 |
| C08F220/56 | 3 |
| C08L33/26 | 3 |