ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,934, issued on July 21, was assigned to Hilti AG (Schaan, Liechtenstein).

"Systems and methods for gesture activation of concrete sensors" was invented by Jens Neumann (Grabs, Switzerland), Ryan Twomey (Dedham, Mass.) and Katelyn Jobes (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a sensor device for monitoring properties of a building material within which the sensor device can be embedded. The sensor device includes a controller, a memory, one or more sensors connected to the controller for measuring one or more properties of the building material, and a power supply for powering components of the sensor device. ...