Method and apparatus for evaluating volumes of discharged hydrocarbon and externally charged hydrocarbon in mud shale
US-12487226-B2 · Dec 2, 2025 · US
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Li Caijun patents
Li Caijun is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Caijun |
| Total patents | 2 |
| First publication | Feb 23, 2023 |
| Latest publication | Dec 2, 2025 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ China Petroleum Beijing | 2 |
| China Univ Of Petroleum—Beijing | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N33/241 | 2 |
| G16C10/00 | 2 |
| G06F30/20 | 2 |
| G06F2119/08 | 2 |
| G06F2111/10 | 2 |