Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Rado — 2 Patents

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
TLTechnology Licensing: 1 patents #18 of 46Top 40%
Granby, CT: #98 of 199 inventorsTop 50%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Rado has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 1985 and the most recent in March 2006. David Rado ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Rado in Granby, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7015433 Temperature calibration method for a cooking appliance Steve Brennan 2006-03-21
4520904 Elevator leveling signal error and correction Steven D. Coste 1985-06-04 $7,874,000