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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David T. Vierk — 1 Patent in 2021

BOBorgwarner: 1 patents #118 of 190Top 65%
Mokena, IL: #5 of 13 inventorsTop 40%
Illinois: #2,747 of 8,822 inventorsTop 35%
Overall (2021): #478,064 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11092200 Friction plate and clutch assembly including the same Benjamin A. Siegel, Paul H. Elsesser, Richard W. Pridgen, Jr. 2021-08-17 $76,526,000