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

SDSquare D: 2 patents #240 of 756Top 35%
SUSchneider Electric Usa: 1 patents #308 of 507Top 65%
Marion, IA: #168 of 453 inventorsTop 40%
Iowa: #4,706 of 15,303 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Randy William Blake has been granted 3 US patents while listed as an inventor at Square D. The first was granted in 2008 and the most recent in March 2012. Randy William Blake ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Randy William Blake in Marion, IA, US.

Patents per Year

Patents granted per year, 2008 to 2012Bar chart with a peak of 1 patents in 2008.peak 12008: 1 patents20082009: 1 patents20092012: 1 patents2012

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8134092 Circuit breaker cover attachment Duane Lee Turner 2012-03-13
7498535 Circuit breaker operator Alexander Filippenko, Duane Lee Turner 2009-03-03
D562257 Transfer switch for alternative power sources to a load center George E. Burke, Jr., Chad R. Mittelstadt, Duane Lee Turner 2008-02-19