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USPTO Patent Rankings Data through Dec 31, 2025
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David Walker — 3 Patents in 2020

Amazon: 3 patents #467 of 4,414Top 15%
Bellevue, WA: #199 of 1,484 inventorsTop 15%
Washington: #1,617 of 14,769 inventorsTop 15%
Overall (2020): #93,238 of 565,922Top 20%
3 Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10810055 Request simulation for ensuring compliance 2020-10-20 $221,169,000
10771468 Request filtering and data redaction for access control Bertram Dorn 2020-09-08 $193,427,000
10740151 Parallelized forensic analysis using cloud-based servers Ryan Washington, Joe W. Pate, Scott S. Conrad, Mikhail Sosonkin, Matthew R. Evans +5 more 2020-08-11 $242,473,000