Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darrell E. Helton — 2 Patents

NONmhg Oregon: 2 patents #9 of 46Top 20%
Berea, KY: #11 of 28 inventorsTop 40%
Kentucky: #4,451 of 11,577 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Darrell E. Helton has been granted 2 US patents while listed as an inventor at Nmhg Oregon. The first was granted in 2011 and the most recent in April 2015. Darrell E. Helton ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Darrell E. Helton in Berea, KY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9000905 Auxiliary fuel tank Lonnie R. Oxley, David Billings, Jeffrey G. Stephenson 2015-04-07
7940165 Low fuel warning systems for a motorized vehicle Lonnie R. Oxley, David Billings, Ashwani K. Bansal, Jeffrey G. Stephenson 2011-05-10