Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher Wayne Lockhart — 12 Patents

Amazon: 12 patents #1,194 of 19,158Top 7%
Louisville, KY: #223 of 3,201 inventorsTop 7%
Kentucky: #881 of 11,577 inventorsTop 8%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Christopher Wayne Lockhart has been granted 12 US patents while listed as an inventor at Amazon. The first was granted in 2015 and the most recent in March 2025. Christopher Wayne Lockhart ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Christopher Wayne Lockhart in Louisville, KY, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12249331 Multi-layer keyword detection Matthew Joseph Cole, Xulei Liu 2025-03-11
11646027 Multi-layer keyword detection Matthew Joseph Cole, Xulei Liu 2023-05-09 $390,838,000
11250851 Multi-layer keyword detection Matthew Joseph Cole, Xulei Liu 2022-02-15 $262,460,000
10679625 Multi-layer keyword detection for distributed voice communications Matthew Joseph Cole, Xulei Liu 2020-06-09 $210,601,000
10186265 Multi-layer keyword detection to avoid detection of keywords in output audio Matthew Joseph Cole, Xulei Liu 2019-01-22 $106,811,000
10079015 Multi-layer keyword detection Matthew Joseph Cole, Xulei Liu 2018-09-18 $160,208,000
10049490 Generating virtual shadows for displayable elements Kevin Robert Costello 2018-08-14 $120,171,000
9591295 Approaches for simulating three-dimensional views Kevin Robert Costello 2017-03-07 $42,187,000
9530243 Generating virtual shadows for displayable elements Kevin Robert Costello 2016-12-27 $54,990,000
9437038 Simulating three-dimensional views using depth relationships among planes of content Kevin Robert Costello 2016-09-06 $85,368,000
9317175 Integration of an independent three-dimensional rendering engine 2016-04-19 $77,771,000
9224237 Simulating three-dimensional views using planes of content Kevin Robert Costello 2015-12-29 $66,194,000