Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Alan Ruth — 3 Patents

QUQuallion: 2 patents #36 of 65Top 60%
ESEltech Systems: 1 patents #87 of 162Top 55%
Lorain, OH: #50 of 147 inventorsTop 35%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Alan Ruth has been granted 3 US patents while listed as an inventor at Quallion. The first was granted in 1994 and the most recent in October 2007. Alan Ruth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alan Ruth in Lorain, OH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7285355 Battery Andy Szyszkowski, Clay Kishiyama, Hiroyuki Yumoto, Hisashi Tsukamoto 2007-10-23
6605382 Lithium ion battery suitable for hybrid electric vehicles Andy Szyszkowski, Clay Kishiyama, Hiroyuki Yumoto, Hisashi Tsukamoto 2003-08-12
5332116 Ceramic fiber insulation structure with readily repairable perimeter insulation William A. Nutter, William A. Siwierka 1994-07-26