Dallas-Fort Worth ranked No. 11 for patent activity out of 250 metros. Patents granted include:• Amazon Technologies’ trust management in an electronic environment •• Bank of America’s synthesized voice authentication engine• K2M’s expandable spinal implants• Lyft’s apparatus for managing conference calls• Raytheon’s LADAR data upsampling• UT, Texas A&M System’s 3D printing of regenerative bone healing scaffolds for rapid fracture healing• The Parking Genius’ parking sensors capable of determining direction and speed of vehicle • VPay’s virtual payment card fraud detection• Bell Helicopter Textron’s anti-ice system for thermally fragile materials 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 ar...