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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel J. Despen — 3 Patents in 2021

CACarbon: 3 patents #1 of 19Top 6%
Oakdale, MN: #5 of 39 inventorsTop 15%
Minnesota: #697 of 7,038 inventorsTop 10%
Overall (2021): #86,435 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11091716 High-carbon biogenic reagents and uses thereof James A. Mennell, Steve Filips 2021-08-17
10982161 Process for producing high-carbon biogenic reagents James A. Mennell 2021-04-20
10889775 Systems and apparatus for production of high-carbon biogenic reagents James A. Mennell 2021-01-12