Dallas-Fort Worth ranked No. 11 for patent activity out of 250 metros. Patents granted include: • An unassigned patent for a remotely controlled smart fence • Bell Textron’s “mutually symbiotic aircraft systems” • CPG Technologies’ geolocation using guided surface waves • I D YOU’s audio announcement to called parties • IBM’s “empathetic image selection” • Roka Sports’ eyeglasses with interchangeable lenses • Siemens Healthcare’s next-generation MRI spine evaluation • The Snoring Center’s airway implant delivery device Dallas Invents is a weekly look at U.S. patents granted with a connection to the Dallas-Fort Worth-Arlington metro area. Listings include patents granted to local assignees and/or those with a North Texas inventor. Patent activity can be an indicator of future economic growth, as well as the development of emerging markets and talent attraction. By tracking both inventors and assignees in the region, we aim to provide a broader view of the region’s inventive activity. Listings are organized by Cooperative Patent Classification (CPC).  Texas Instruments Inc. (Dallas) 22 Futurewei Technologies Inc. (P...