Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SB

Stuart J. Barr — 1 Patent in 2021

WBWestinghouse Air Brake: 1 patents #32 of 81Top 40%
Cedar Rapids, IA: #42 of 126 inventorsTop 35%
Iowa: #535 of 1,785 inventorsTop 30%
Overall (2021): #253,640 of 548,734Top 50%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10889276 Method and apparatus for learning and validating brake deceleration rates Andrew Ryan Staats, Keith E. Smith, Brian James Langstraat, James A. Oswald, Jeffrey D. Kernwein 2021-01-12 $149,608,000