Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Studyvin — 5 Patents

ETEaglepicher Technologies: 5 patents #10 of 111Top 10%
Cherokee, KS: #1 of 2 inventorsTop 50%
Kansas: #2,074 of 12,005 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
William Studyvin has been granted 5 US patents while listed as an inventor at Eaglepicher Technologies. The first was granted in 2009 and the most recent in May 2017. William Studyvin ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list William Studyvin in Cherokee, KS, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9647276 Activation mechanism for a reserve battery cell James Anthony DeGruson, David Andrew Timothy Darch, Michael Parrot, Greg Miller, Michael Scott Reeves 2017-05-09
8663825 End of life indication system and method for non-aqueous cell having amorphous or semi-crystalline copper manganese oxide cathode material Greg Miller, Michael Parrot, John C. Pugsley, Ernest Ndzebet, Min Qi Yang +6 more 2014-03-04
8603658 Activation mechanism for a reserve battery cell James Anthony DeGruson, David Andrew Timothy Darch, Michael Parrot, Greg Miller, Michael Scott Reeves 2013-12-10
8570046 System and method for nondestructive testing of thermal batteries Mark Hart, Travis Qualls, Jack Brill 2013-10-29
7545147 System and method for nondestructive testing of thermal batteries Mark Hart, Travis Qualls 2009-06-09