ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,566, issued on March 24, was assigned to Marcin Szrom (Warsaw, Poland).

"Valve actuator" was invented by Marcin Szrom (Warsaw, Poland) and Krzysztof Pluta (Warsaw, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve actuator (6) selectively opens and closes a plurality of valves (8). The actuator includes a drive motor (5) that selectively rotates a first rotor (4) about an axis (0) in first and second rotational directions. A second rotor (2) is rotatable about the axis only in the first rotational direction. Actuating fingers (3) are movably mounted in operative connection with the first rotor through drive pins (4a) and are guided to m...