ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,623, issued on June 23.

"Computer-implemented method, computer-based product, and monitoring system for contactless assessment of rheological properties of fluid cement-based products" was invented by Juan Manuel Pereira (Moralzarzal, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method and a computer-based product and monitoring system for contactless assessment of rheological properties of a fluid cement-based product, the method performing a first analysis which obtains the rotation speed of the mixing blades (31) of a truck-mounted concrete mixer drum (30) and detects the variation of the speed constituting a first ...