ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,818, issued on June 2, was assigned to BUNDESREPUBLIK DEUTSCHLAND, VERTRETEN DURCH DAS BUNDESMINISTERIUM FUR WIRTSCHAFT UND ENERGIE (Braunschweig, Germany).

"Method for determining at least one charge characteristic of electrical charges of particles in a fluid stream and a fluid stream charge measuring device" was invented by Holger Grosshans (Braunschweig, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a charge characteristic of electrical charges of particles in a fluid stream includes directing the fluid stream containing particles through a fluid line. Then a spatially-resolved determination of a measuring field-...