Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Walter Thomas Schmidt — 2 Patents in 2018

OEOtis Elevator: 2 patents #39 of 232Top 20%
Marlborough, CT: #7 of 23 inventorsTop 35%
Connecticut: #726 of 3,763 inventorsTop 20%
Overall (2018): #91,851 of 503,207Top 20%
2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10138091 Variable linear motor gap Enrico Manes, Beata I. Wawrzyniak, Thomas M. Yun, Shihemn Chen, Jagadeesh Kumar Tangudu 2018-11-27
9975735 Cab isolation of an elevator car Randall Keith Roberts, Richard N. Fargo, YiSug Kwon 2018-05-22