[Illustration: Rost-9D/istockphoto]
Dallas-Fort Worth ranked No. 15 for patents out of 250 metros. Patents granted include: Toyota's autonomous vehicle routing based on chaos assessment, FutureWei Technologies' predictive routing for mobility, Paragon Furniture's modular desk systems, Phazr's multifaceted radio base station, Red River Tea Co.'s still beverage brewing, John Almeida's unassigned virus-immune computer system, Wynright's perception-based robotic manipulation for an automated truck unloader, and ZixCorp Systems' secure electronic mail system