Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Socha — 1 Patent in 2021

WBWestinghouse Air Brake: 1 patents #47 of 81Top 60%
Champlin, MN: #9 of 25 inventorsTop 40%
Minnesota: #2,374 of 7,038 inventorsTop 35%
Overall (2021): #479,017 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11097754 Electronically controlled pneumatic railway car with end of train device mode Samuel D. Graham, John W. LaDuc, Brendan Wade Crowley, Bryan M. McLaughlin, Dale R. Stevens +2 more 2021-08-24