Assignee
STC INC
US29 patents
Top patents by PatentIndex Score
US11202302B2Dec 14, 2021
Systems and methods for traffic priority systems
STC INC14 citations92
US9916759B2Mar 13, 2018
Signal light priority system utilizing estimated time of arrival
STC INC13 citations92
US9302687B2Apr 5, 2016
Light rail vehicle monitoring and stop bar overrun system
STC INC13 citations92
US9542852B2Jan 10, 2017
Mass transit safety notification system and device
STC INC34 citations91
US9751543B2Sep 5, 2017
Light rail vehicle monitoring and stop bar overrun system
STC INC13 citations84
US9330566B2May 3, 2016
Signal light priority system utilizing estimated time of arrival
STC INC11 citations84
US9953522B2Apr 24, 2018
Systems and methods for the detection of pedestrians and small vehicles at roadway intersections
STC INC17 citations83
US10679495B2Jun 9, 2020
Systems and methods for detection of travelers at roadway intersections
STC INC5 citations82
US10029716B2Jul 24, 2018
Mass transit safety notification system and device
STC INC12 citations81
US5338783AAug 16, 1994
Silicone binder material and products formed therefrom
STC INC17 citations80
US11670165B2Jun 6, 2023
Systems and methods for roadway management including feedback
STC INC1 citations73
US11295612B2Apr 5, 2022
Systems and methods for roadway management including feedback
STC INC1 citations73
US11827257B2Nov 28, 2023
Mass transit safety notification system and device
STC INC2 citations70
US12165509B2Dec 10, 2024
Systems and methods for roadway management including feedback
STC INC0 citations62
US12073719B2Aug 27, 2024
Protected turns
STC INC0 citations62
US11756421B2Sep 12, 2023
Protected turns
STC INC0 citations62
US11250700B2Feb 15, 2022
Protected turns
STC INC0 citations62
US12167440B2Dec 10, 2024
Systems and methods for traffic priority systems
STC INC0 citations60
US11948455B2Apr 2, 2024
Systems and methods for detection of travelers at roadway intersections
STC INC0 citations60
US11758579B2Sep 12, 2023
Systems and methods for traffic priority systems
STC INC0 citations60
US11113963B2Sep 7, 2021
Systems and methods for detection of travelers at roadway intersections
STC INC0 citations60
US12162524B2Dec 10, 2024
Mass transit safety notification system and device
STC INC0 citations59
US12431016B2Sep 30, 2025
Systems and methods for pacing a mass transit vehicle
STC INC0 citations57
US11842636B2Dec 12, 2023
Systems and methods for pacing a mass transit vehicle
STC INC0 citations57
US11170642B2Nov 9, 2021
Systems and methods for pacing a mass transit vehicle
STC INC0 citations57
US11587439B2Feb 21, 2023
Systems and methods to temporarily alter traffic flow
STC INC0 citations52
US12304538B2May 20, 2025
Railway safety notification system and device with proportional warnings
STC INC0 citations49
US12162523B2Dec 10, 2024
Railway safety notification system and device with track and direction information
STC INC0 citations49
US7830931B2Nov 9, 2010
Semiconductor laser excitation solid laser device and an image formation device having the same
STC INC0 citations35