ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,828, issued on July 14, was assigned to VIELETECH INC. (Woodland Park, Colo.).

"Apparatus and method for engine control" was invented by Matthew Viele (Florissant, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for sensing the position of a piston in a valve in a gas compressor or the position of a piston in a free piston engine. The apparatus includes a plurality of valve sensors, a plurality of magnets, and a plurality of valve sense modules coupled to the valve sensors and a controller coupled to the plurality of valve sense modules. The method includes processing information received from the valve sensors to determ...