Overwinding buffer device and method for vertical hoisting system
US-11174125-B2 · Nov 16, 2021 · US
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Zhao Liangji patents
Zhao Liangji is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhao Liangji |
| Total patents | 4 |
| First publication | Jan 17, 2019 |
| Latest publication | Nov 16, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Overwinding buffer device and method for vertical hoisting system
US-2021284500-A1 · Sep 16, 2021 · US
Electromechanical-linkage hydraulic control gate valve actuator
US-10330213-B2 · Jun 25, 2019 · US
Electromechanical-linkage hydraulic control gate valve actuator
US-2019017618-A1 · Jan 17, 2019 · 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 Taiyuan Technology | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16K47/023 | 2 |
| F16K31/53 | 2 |
| F16K3/0254 | 2 |
| F15B13/025 | 2 |
| F15B15/088 | 2 |