Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lloyd Barthel — 1 Patent

FAFabcon: 1 patents #17 of 26Top 70%
Elk River, MN: #139 of 238 inventorsTop 60%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Lloyd Barthel has been granted 1 US patent while listed as an inventor at Fabcon. All of these patents were granted in 1994. Lloyd Barthel ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Lloyd Barthel in Elk River, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5318426 Brick imprinting apparatus David W. Hanson, Richard C. Nash, James Barthel, Michael A. Lynch 1994-06-07