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USPTO Patent Rankings Data through Dec 31, 2025
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Sihua Ling — 1 Patent

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
Longbeilingcun, CN: #3,049 of 5,734 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Sihua Ling has been granted 1 US patent while listed as an inventor at Otis Elevator. All of these patents were granted in 2024. Sihua Ling ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Sihua Ling in Longbeilingcun, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1039409 Escalator smart traffic flow lighting device Lilong Shi, QingXi Cai, Shunqiang Zhou, Denghui Zhang 2024-08-20

Frequent Collaborators

QingXi Cai1 shared
Lilong Shi1 shared
Shunqiang Zhou1 shared
Denghui Zhang1 shared

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Amir EISEN1