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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Derek Redfern — 4 Patents

ZOZoox: 4 patents #198 of 609Top 35%
San Francisco, CA: #9,676 of 26,999 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Derek Redfern has been granted 4 US patents while listed as an inventor at Zoox. The first was granted in 2021 and the most recent in December 2022. Derek Redfern ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Derek Redfern in San Francisco, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11535270 Fault coordination and management Matthew Daniel Lopez, Collin MacGregor, Radhika Jitendra Patel, Kristofer Sven Smeds 2022-12-27
11485238 Redundant battery management system architecture Kyle Matthew Foley, Robert Alan Ng, Moritz Boecker, Chong Tao, Vincent Richard Tannahill +1 more 2022-11-01
11180156 Fault coordination and management Matthew Daniel Lopez, Collin MacGregor, Radhika Jitendra Patel, Kristofer Sven Smeds 2021-11-23
10960776 Redundant battery management system architecture Kyle Matthew Foley, Robert Alan Ng, Moritz Boecker, Chong Tao, Vincent Richard Tannahill +1 more 2021-03-30