Elevator system and counterweight therefor
US-2025346457-A1 · Nov 13, 2025 · US
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Xu Zhangming patents
Xu Zhangming is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Xu Zhangming |
| Total patents | 2 |
| First publication | Jun 5, 2025 |
| Latest publication | Nov 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Elevator system and guiding device therefor
US-2025178866-A1 · Jun 5, 2025 · 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 |
|---|---|
| Otis Elevator Co | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B66B17/12 | 1 |
| F16F15/067 | 1 |
| F16F15/022 | 1 |
| B66B7/048 | 1 |
| B66B7/046 | 1 |