Dallas-Fort Worth ranked No. 10 for patents out of 250 metros. Patents granted include: 7-Eleven's topview item tracking using a sensor array, Advanced Neuromodulation Systems' method for controlling neurostimulation according to user activity and automated rescheduling of stimulation programs, IBM's clustering a set of natural language queries based on significant events, Lennox Industries' error correction for predictive schedules for a thermostat, PWC's continuous machine learning method and system for information extraction, ShockWatch's impact indicator, Target's sports bra support testing, and Textron Innovations' aircraft for transporting and deploying UAVs.