Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David R. Torlai — 1 Patent in 2017

OEOtis Elevator: 1 patents #50 of 167Top 30%
Torrington, CT: #7 of 14 inventorsTop 50%
Connecticut: #1,345 of 3,711 inventorsTop 40%
Overall (2017): #444,007 of 506,227Top 90%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9701517 Methods and apparatuses for applying a substrate onto an elevator sheave Xiaoyuan Chang, Peter Keyo, Lance L. Lavender, Hong Yang 2017-07-11