Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duncan Pratt — 3 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
Issaquah, WA: #733 of 1,767 inventorsTop 45%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Duncan Pratt has been granted 3 US patents while listed as an inventor at Amazon. The first was granted in 2022 and the most recent in April 2024. Duncan Pratt ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Duncan Pratt in Issaquah, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11969760 Singulation and sortation defect detection Jose Luis De La Rosa, Ting Xu 2024-04-30 $770,663,000
11666944 Detection of overfilled containers in sortation systems Jose Luis De La Rosa, Larry Joe Robb, Maxim P. Hoffman, Joshua Martin Middleton, Stephanie Tomasetta +5 more 2023-06-06 $278,271,000
11305949 Automated tray handling systems and methods Roland J. Menassa, Larry Joe Robb, Vatsal Mehta, Max Alfonso Bruccoleri, Robert T. Brown 2022-04-19 $209,456,000