Independent double-negative-pressure shale shaker
US-12427452-B2 · Sep 30, 2025 · US
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Du Mingjun patents
Du Mingjun is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Du Mingjun |
| Total patents | 7 |
| First publication | Sep 29, 2022 |
| Latest publication | Sep 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Underbalanced drilling vibrating screen integrated with automatic drainage and vacuum chucks
US-12146373-B2 · Nov 19, 2024 · US
Underbalanced Drilling Vibrating Screen Integrated With Automatic Drainage And Vacuum Chucks
US-2023417113-A1 · Dec 28, 2023 · US
Control method for consensus of agricultural multi-agent system based on sampled data
US-2023393558-A1 · Dec 7, 2023 · US
Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation
US-11802450-B2 · Oct 31, 2023 · US
Independent double-negative-pressure shale shaker
US-2023131096-A1 · Apr 27, 2023 · US
Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation
US-2022307336-A1 · Sep 29, 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 Southwest Petroleum | 6 |
| Univ Qilu Technology | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B21/065 | 6 |
| E21B21/066 | 4 |
| B01D33/0183 | 2 |
| B01D33/745 | 2 |
| B01D33/41 | 2 |