Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12179815 | Computer implemented method for determining railway vehicle movement profile type of a railway vehicle movement profile and controller of a track circuit system | Jeffrey Michael Fries, Saleheh Seif, Shilpa CHERIAN | 2024-12-31 |
| 11780482 | Method, controller and track circuit for determining the relationship between a track-circuit transmitted current signal and a railway vehicle location on a railway track | Jeffrey Michael Fries, Jesse Herlocker, Saleheh Seif, Keval Doshi | 2023-10-10 |
| 11577763 | Method and controller for determining the relationship between a track-circuit transmitted current signal and a railway vehicle location on a railway track | Jeffrey Michael Fries, Jesse Herlocker | 2023-02-14 |
| 11260888 | Method and system for health assessment of a track circuit and/or of a track section | Song Qin, Jeffrey Michael Fries | 2022-03-01 |
| 11186304 | Method and electronic system for detecting rail switch degradation and failures | Adrian M. Peter, Kaylen Jamal Bryan, Charlie Jinshaw Tian, Christina Mariah Coley | 2021-11-30 |
| 11148690 | Method, system, and software code for calibration of rail track circuits, and related rail track circuit | Jeffrey Michael Fries | 2021-10-19 |