Dallas-Fort Worth ranked No. 11 for patent activity out of 250 metros. Patents granted include: •  Atos Digital Health Solutions’ system for secure messaging •  Bell Helicopter Textron’s aircraft fleet maintenance system •  Capital One’s data sharing via distributed ledgers •  Carefusion 303′s variable dose dispensing system •  Danco’s smart water filter system •  rewardStyle’s dynamic creation of product links from a web browser •  Texas Instruments’ one-way key fob and vehicle pairing 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) 14 Futurewei Technologies Inc. (Plano) 10 Sandisk Technologies LLC (Addison) 4 Bell Helico...