ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,937, issued on Nov. 11, was assigned to STRATEC SE (Birkenfeld, Germany).

"Sensor for determining the oscillating frequency in a fluidic oscillating nozzle and a method using the sensor" was invented by Martin Trump (Pforzheim, Germany), Michael Burkart (Waldbronn, Germany), Raphael Wieczorek (Enzklosterle, Germany) and Fabian Hinderer (Olbronn Durrn, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor for determining the oscillating frequency in a fluidic oscillating nozzle and provides an oscillating nozzle, comprising a fluidic oscillator with inlet and outlet and a main channel and at least one control passage surrounding the main ch...