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USPTO Patent Rankings Data through Dec 31, 2025
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Leon Chen — 1 Patent

TRTractel: 1 patents #3 of 16Top 20%
Scarborough, CA: #316 of 629 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Leon Chen has been granted 1 US patent while listed as an inventor at Tractel. All of these patents were granted in 2021. Leon Chen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Leon Chen in Scarborough, ON, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11105312 Penstock internal maintenance system and process of assembling, anchor unit Anthony Jin, Mar Mantuhac, Matthew Gryniewski, Jack Tadus 2021-08-31

Frequent Collaborators

Jack Tadus1 shared
Mar Mantuhac1 shared
Anthony Jin1 shared
Matthew Gryniewski1 shared

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