- US12195068utility2025Mount for Simulated Rail Track Load Inductor0 cites
- US12116027utility2024Railway Shunt Enclosure0 cites
- US11932297utility2024Double-sided Terminal Board for Grade Crossing Gate Controller0 cites
- US11780479utility2023Grade Crossing Gate Arm Position Detection System0 cites
- US11772691utility2023User Interface for Grade Crossing Gate Controller0 cites
- US11753782utility2023Quick-replacement Gear for Grade Crossing Gate Mechanism0 cites
- US11745775utility2023Railway Shunt Enclosure0 cites