Password protection method and apparatus, and medium
US-12223032-B2 · Feb 11, 2025 · US
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Li Dengwei patents
Li Dengwei is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Dengwei |
| Total patents | 4 |
| First publication | Apr 12, 2018 |
| Latest publication | Feb 11, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Password protection method and apparatus, and medium
US-2024265093-A1 · Aug 8, 2024 · US
Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus
US-10233694-B2 · Mar 19, 2019 · US
Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus
US-2018100352-A1 · Apr 12, 2018 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Southwest Petroleum | 2 |
| Suzhou Metabrain Intelligent Technology Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B34/06 | 2 |
| E21B7/064 | 2 |
| E21B7/068 | 2 |
| E21B7/04 | 2 |
| E21B34/066 | 2 |