Anti-propylene mask and method for preparation thereof
US-12569705-B2 · Mar 10, 2026 · US
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Li Ranran patents
Li Ranran is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Ranran |
| Total patents | 6 |
| First publication | Mar 10, 2022 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
System and method for testing structure mode of vibration based on digital image recognition
US-12130209-B2 · Oct 29, 2024 · US
Manufacturing process for piezoelectric fiber having swiss-roll structure
US-11895921-B2 · Feb 6, 2024 · US
Piezoelectric fiber having swiss-roll structure, and preparation method therefor and use thereof
US-2023232719-A1 · Jul 20, 2023 · US
Anti-propylene mask and method for preparation thereof
US-2023211190-A1 · Jul 6, 2023 · US
System and method for testing structure mode of vibration based on digital image recognition
US-2022074808-A1 · Mar 10, 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 |
|---|---|
| Nantong Textile & Silk Ind Tech Res Inst | 4 |
| Univ Soochow | 4 |
| Changan Univ | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01H9/002 | 2 |
| G01H9/00 | 2 |
| G01M11/081 | 2 |
| G01M5/0008 | 2 |
| G01M7/025 | 2 |