Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SB

Steve A. Brough

KIKeystone Industries: 3 patents #2 of 11Top 20%
Gardners, PA: #1 of 2 inventorsTop 50%
Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,248,390 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7568584 Draft sill wear liner Tomasz W. Malinowski 2009-08-04
5746335 Double acting center-of-car cushioning device John F. Deppen 1998-05-05
4601461 Lading protection device Mark P. Scott 1986-07-22
4562929 Backstop assembly for use with cushioning device in sill of railway car Mark P. Scott 1986-01-07