Inventor
FRIES JEFFREY
US26 patents
⚠️ This page may combine multiple inventors who share the name “FRIES JEFFREY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALSTOM TRANSP TECH
19 patentsUS11577763B2Feb 14, 2023
Method and controller for determining the relationship between a track-circuit transmitted current signal and a railway vehicle location on a railway track
ALSTOM TRANSP TECH5 citations71
US10710617B2Jul 14, 2020
Control and monitoring device for a switch machine, a system and method for monitoring a switch machine
ALSTOM TRANSP TECH2 citations71
US10479381B2Nov 19, 2019
System and method for controlling a level crossing
ALSTOM TRANSP TECH2 citations71
US11148690B2Oct 19, 2021
Method, system, and software code for calibration of rail track circuits, and related rail track circuit
ALSTOM TRANSP TECH2 citations70
US11780482B2Oct 10, 2023
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
ALSTOM TRANSP TECH4 citations68
US10324067B2Jun 18, 2019
Vibration monitoring system and method
ALSTOM TRANSP TECH2 citations67
US10946883B2Mar 16, 2021
Train detection system for a railway track, a method for detecting a train on a railway track, and a controller for a train detection system for detecting a train on a railway track
ALSTOM TRANSP TECH1 citations58
US11643122B2May 9, 2023
Wayside to railway vehicle communication method and device
ALSTOM TRANSP TECH0 citations56
US11912322B2Feb 27, 2024
Method, system, computer-readable medium comprising software code for estimating parameters of railway track circuits, and related track circuit
ALSTOM TRANSP TECH0 citations51
US11352033B2Jun 7, 2022
Method, system, and computer-readable medium comprising software code for communicating data from a transmitter to a receiver via a physical transmission medium, and related railway track circuit
ALSTOM TRANSP TECH0 citations51
US10988151B2Apr 27, 2021
System and method for controlling a level crossing of a railway track
ALSTOM TRANSP TECH0 citations51
US11702119B2Jul 18, 2023
Method for determining a status of a track section of a railroad; associated apparatus and non-transitory computer readable medium
ALSTOM TRANSP TECH0 citations50
US11260888B2Mar 1, 2022
Method and system for health assessment of a track circuit and/or of a track section
ALSTOM TRANSP TECH0 citations49
US9622311B1Apr 11, 2017
Sub-assembly for searchlight signal, and associated assembly
ALSTOM TRANSP TECH1 citations44
US10479383B2Nov 19, 2019
System and method for controlling a level crossing
ALSTOM TRANSP TECH0 citations40
US10471978B2Nov 12, 2019
System and method for controlling a level crossing
ALSTOM TRANSP TECH0 citations40
US10562555B2Feb 18, 2020
Method for controlling a level crossing and railway installation for implementing such method
ALSTOM TRANSP TECH0 citations39
US10427700B2Oct 1, 2019
Railroad track circuit for determining the occupancy status of a portion of a railroad
ALSTOM TRANSP TECH0 citations39
US10293840B2May 21, 2019
Wayside communication system using power grid lines
ALSTOM TRANSP TECH0 citations36
KB SIGNALING INC
3 patentsUS12466451B2Nov 11, 2025
Method and system for estimating temperature-related forces in railway lines
KB SIGNALING INC0 citations48
US12403943B2Sep 2, 2025
System and method for controlling a train travelling along a railway line
KB SIGNALING INC0 citations44
US12534117B2Jan 27, 2026
Method for determining a change of a state of a track section of a railroad and corresponding apparatus
KB SIGNALING INC0 citations39