Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chris E. DiFrancesco — 2 Patents in 2021

COCormetech: 2 patents #1 of 7Top 15%
Durham, NC: #104 of 654 inventorsTop 20%
North Carolina: #985 of 5,924 inventorsTop 20%
Overall (2021): #173,992 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11125134 Diffuser assemblies and catalytic reactors comprising the same Mark Schirmer, Christian Trefzger, Stephen M Lyons, Colby A. Burtt, William D. Buynitzky 2021-09-21
11083996 SCR catalyst modules and associated catalytic reactors Christian Trefzger, Josh Andreas, Colby A. Burtt 2021-08-10