TP

Tom Petrunich

AC Amsted Rail Company: 3 patents #25 of 128Top 20%
📍 Wilson Heights, IL: #6 of 11 inventorsTop 55%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,340,000 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12365370 Railway vehicle coupler having robust knuckle Paul Steven Wike, Matthew Todt, Paul A. Sanders, Dale K. Dewald 2025-07-22
11987457 Coordinated braking systems and methods for rail cars Igor Aleynikov, Paul Steven Wike 2024-05-21
11198457 Railway truck assembly having friction assist side bearings Paul Steven Wike, Igor Aleynikov, Jared Doerr 2021-12-14