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

SASchott Ag: 2 patents #437 of 1,181Top 40%
Stafford Springs, CT: #26 of 51 inventorsTop 55%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Duffy has been granted 2 US patents while listed as an inventor at Schott Ag. The first was granted in 2015 and the most recent in August 2021. Robert Duffy ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Duffy in Stafford Springs, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11105973 Optically enhanced high resolution image guides Patrick K. Kreski 2021-08-31
9144480 Light-emitting wand with electrically-conductive heat sinks 2015-09-29