Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darren Ash — 1 Patent

VEVulcan Engineering: 1 patents #4 of 14Top 30%
Pell City, AL: #42 of 87 inventorsTop 50%
Alabama: #5,394 of 10,951 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Darren Ash has been granted 1 US patent while listed as an inventor at Vulcan Engineering. All of these patents were granted in 2002. Darren Ash ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Darren Ash in Pell City, AL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6453210 Autonomous control method and process for an investment casting shell Aleksandr Belotserkovskiy, Tao-Li Hsu, Jack Walton 2002-09-17