Mud pulse generation system based on two-way communication
US-12366155-B2 · Jul 22, 2025 · US
Yang Ningning is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yang Ningning |
| Total patents | 7 |
| First publication | Mar 3, 2022 |
| Latest publication | Jul 22, 2025 |
Publications ranked by popularity score, then publication date.
US-12366155-B2 · Jul 22, 2025 · US
US-2025129703-A1 · Apr 24, 2025 · US
US-12252986-B2 · Mar 18, 2025 · US
US-2023393300-A1 · Dec 7, 2023 · US
US-2023383605-A1 · Nov 30, 2023 · US
US-11625854-B2 · Apr 11, 2023 · US
US-2022067960-A1 · Mar 3, 2022 · US
Latest publications not already listed above.
No data yet.
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 5 |
| Sinopec Petroleum Engineering Tech Service Co Ltd | 5 |
| Sinopec Matrix Corp | 5 |
| Geosteering & Logging Res Institute Sinopec Matrix Corporation | 5 |
| Sinopec Shengli Petroleum Eng Co Ltd | 3 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B7/04 | 3 |
| E21B47/022 | 3 |
| B66F17/003 | 2 |
| B66F9/0755 | 2 |
| G06V10/22 | 2 |