Lubricating oil friction modifier and preparation method therefor and application thereof
US-12264292-B2 · Apr 1, 2025 · US
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Lei Ling patents
Lei Ling is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lei Ling |
| Total patents | 3 |
| First publication | Mar 28, 2024 |
| Latest publication | Apr 1, 2025 |
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Petroleum & Chem Corp | 2 |
| Qualcomm Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10M149/00 | 2 |
| C10M2217/046 | 2 |
| C10M2213/06 | 2 |
| C10N2020/075 | 2 |
| C10N2020/077 | 2 |