Inventor
RAMOLT MICHAEL E
US7 patents
Patents
7 patentsUS11827256B1Nov 28, 2023
System and method for virtual approach signal restriction upgrade
BNSF RAILWAY CO5 citations81
US12351219B2Jul 8, 2025
System and method for virtual approach signal restriction upgrade
BNSF RAILWAY CO0 citations58
US12311988B2May 27, 2025
System and method for virtual approach signal restriction upgrade
BNSF RAILWAY CO0 citations58
US12252163B2Mar 18, 2025
System and method for virtual approach signal restriction upgrade
BNSF RAILWAY CO0 citations58
US12195061B2Jan 14, 2025
System and method for virtual approach signal restriction upgrade
BNSF RAILWAY CO0 citations58
US12589784B2Mar 31, 2026
System and method for a virtual approach signal
BNSF RAILWAY CO0 citations47
US12503145B2Dec 23, 2025
System and method for virtual block operational status control with long block time delay
BNSF RAILWAY CO0 citations39