Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph A. Chappa — 3 Patents in 2018

SUSurmodics: 3 patents #2 of 23Top 9%
Ham Lake, MN: #4 of 31 inventorsTop 15%
Minnesota: #782 of 6,792 inventorsTop 15%
Overall (2018): #60,648 of 503,207Top 15%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10124088 Lubricious medical device elements Nathan A. Lockwood, Joseph Schmidt McGonigle 2018-11-13 $6,446,000
10099041 Apparatus and methods for coating medical devices Andrew G. Bach, Mark MacGregor 2018-10-16 $3,523,000
10058634 Devices and methods for delivery of bioactive agents Andrew G. Bach 2018-08-28 $8,099,000