Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Henry Lefevre — 2 Patents

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Southington, CT: #136 of 315 inventorsTop 45%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Henry Lefevre has been granted 2 US patents while listed as an inventor at Otis Elevator. The first was granted in 1999 and the most recent in February 2019. Robert Henry Lefevre ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Henry Lefevre in Southington, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10207895 Elevator emergency power feeder balancing James M. Collins 2019-02-19
5975621 Vehicle hood shield 1999-11-02