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USPTO Patent Rankings Data through Dec 31, 2025
Home › Otis Elevator › Changke Yang
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Changke Yang — 1 Patent

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
Hangzhou City, CN: #2,595 of 4,899 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Changke Yang has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 2021. Changke Yang ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Changke Yang in Hangzhou City, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11203511 Traction system for elevator and elevator system WeiHua Yuan, LiuDi Gong 2021-12-21

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