Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph A. Chappa — 3 Patents in 2021

SUSurmodics: 3 patents #2 of 16Top 15%
Ham Lake, MN: #6 of 35 inventorsTop 20%
Minnesota: #697 of 7,038 inventorsTop 10%
Overall (2021): #66,714 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11090468 Apparatus and methods for coating medical devices Mark F. Carlson 2021-08-17 $3,135,000
11090469 Method and apparatus for coating balloon catheters Mark F. Carlson 2021-08-17 $3,135,000
11027049 Devices and methods for delivery of bioactive agents Andrew G. Bach 2021-06-08 $6,219,000