Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Zerull — 3 Patents

EXExlar: 3 patents #1 of 8Top 15%
Minneapolis, MN: #1,992 of 6,114 inventorsTop 35%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
William Zerull has been granted 3 US patents while listed as an inventor at Exlar. The first was granted in 2010 and the most recent in October 2012. William Zerull ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William Zerull in Minneapolis, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8277349 Actuation system Timothy A. Erhart, Terrence L. Thompson, James H. Sandlin 2012-10-02
7880345 Linear actuator system and method Benjamin Hoffmann, Richard Welch 2011-02-01
7816881 Method and apparatus for utilizing commutation sensors for speed and position control John P. Wiegers, Eric A. Hiner 2010-10-19