BNSF Railway Company patent applications published on July 25th, 2024

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Summary of the patent applications from BNSF Railway Company on July 25th, 2024

1. Summary: BNSF Railway Company has recently filed patents for a system and method that upgrades virtual approach signal restrictions in train control systems. The innovation involves utilizing virtual signals with signal type functionality, audio frequency circuits, and upgraded PTC track lines to enhance train operations and safety measures. This technology allows trains to accelerate faster, upgrade signal indications, and protect against potential hazards on the tracks, ultimately improving efficiency and safety in railway operations.

2. Key Points of Patents:

  • Upgrade virtual approach signal restrictions in train control systems.
  • Utilize virtual signals with signal type functionality and audio frequency circuits.
  • Enhance train acceleration and upgrade signal indications for smoother operations.
  • Protect against open HT switches, broken rail, hazards, and follow-up moves.
  • Enable trains to upgrade from a "restricting" indication to an "approach" or "clear and accelerate" indication with an upgraded PTC track line.

3. Notable Applications:

  • Railway signaling systems
  • Train control systems
  • Railroad safety technology

By implementing these patents, railway companies, transportation authorities, and infrastructure developers can enhance the efficiency and safety of train operations. The technology can also be integrated into existing train control systems to upgrade signaling capabilities and improve overall railway safety standards.



Patent applications for BNSF Railway Company on July 25th, 2024

ENGINE COMPONENT REMOVAL TOOL (18159468)

Main Inventor

Chad T. Sellman


ENGINE COMPONENT REMOVAL TOOL (18459257)

Main Inventor

Chad T. Sellman


SYSTEM AND METHOD FOR VIRTUAL APPROACH SIGNAL RESTRICTION UPGRADE (18514690)

Main Inventor

Scott D. Sapp


SYSTEM AND METHOD FOR VIRTUAL APPROACH SIGNAL RESTRICTION UPGRADE (18514830)

Main Inventor

Scott D. Sapp


SYSTEM AND METHOD FOR VIRTUAL APPROACH SIGNAL RESTRICTION UPGRADE (18515608)

Main Inventor

Scott D. Sapp


SYSTEM AND METHOD FOR VIRTUAL APPROACH SIGNAL RESTRICTION UPGRADE (18515658)

Main Inventor

Scott D. Sapp

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