Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David B. Berkey — 2 Patents

CTConcurrent Technologies: 1 patents #42 of 75Top 60%
MIM.I.C. Industries: 1 patents #6 of 11Top 55%
Johnstown, PA: #77 of 214 inventorsTop 40%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David B. Berkey has been granted 2 US patents while listed as an inventor at Concurrent Technologies. The first was granted in 1999 and the most recent in August 2017. David B. Berkey ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David B. Berkey in Johnstown, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9728791 Self-sealing flow frame for flow battery stack Michel J. McCluskey, John Ellsworth Gover, JR., Bryan P. Tipton, Kevin Anthony Weaver, Jennifer Lyne Kronick +1 more 2017-08-08
5980156 Tunnel liner building method and building panels therefor Frederick Morello 1999-11-09