Patent assignee · US · COMPANY

Global Traffic Technologies, LLC

29Patents
23Active
29Granted
46Portfolio score

Filing activity: Jun 1, 2005 → Apr 28, 2021 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8487780B2 Defining approach maps for traffic signal preemption controllers Physics 26 Active
US7515064B2 Remote activation of a vehicle priority system Physics 24 Expired
US7952491B2 Optical traffic control system with burst mode light emitter Physics 22 Active
US7432826B2 Traffic preemption system with headway management Physics 22 Expired
US7307547B2 Traffic preemption system signal validation method Physics 22 Expired
US7333028B2 Traffic preemption system communication method Physics 22 Expired
US7417560B2 Multimode traffic priority/preemption intersection arrangement Physics 21 Expired
US8823548B2 Control of traffic signal phases Physics 21 Active
US8830085B2 Monitoring traffic signal preemption Physics 21 Active
US7808401B1 Light emitters for optical traffic control systems Physics 20 Active
US7573399B2 Multimode traffic priority/preemption vehicle arrangement Physics 15 Expired
US9799221B2 Trip determination for managing transit vehicle schedules Physics 13 Active
US8344908B2 Monitoring management and presentation of preemption control data of centrally managed traffic signals Physics 11 Active
US8072346B2 LED light bar for optical traffic control systems Physics 11 Active
US8610596B2 Monitoring and diagnostics of traffic signal preemption controllers Physics 11 Active
US8325062B2 Centralized management of preemption control of traffic signals Physics 10 Active
US8884783B2 Systems and method for controlling preemption of a traffic signal Physics 9 Active
US7982631B2 LED emitter for optical traffic control systems Physics 9 Active
US8912922B2 Field of view traffic signal preemption Physics 8 Active
US9299253B2 Adaptive traffic signal preemption Physics 5 Active
US11030895B1 Incident-based traffic signal preemption and priority Physics 4 Active
US9361798B2 Vehicle classification system and method Physics 4 Active
US10217356B2 Timing submission of transit signal priority requests to reduce transit vehicle stop times Physics 3 Active
US11158189B2 Location-based message distribution Electricity 3 Active
US11232707B1 Incident-based traffic signal preemption and priority Physics 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.