ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,146, issued on July 1, was assigned to HEAVY KINEMATIC MACHINES SP. ZO. O. (Komorowo, Poland).

"System and method for counting spatially arranged, moving markers" was invented by Mateusz Semegen (Komorowo, Poland), Rafal Kasperowicz (Komorowo, Poland), Maciej Rot (Komorowo, Poland) and Kacper Ostrowski (Komorowo, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for counting spatially arranged, moving markers, the markers being arranged to move along a movement axis parallel to a sensors axis of sensors for detecting the markers during movement. The number of sensors is lower than the number of markers in order to decrease the cost of th...