ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,162, issued on Dec. 2, was assigned to Palas GmbH Partikel-UND Lasermesstechnik (Karlsruhe, Germany).

"Method and aerosol measuring device for determining a source-dependent particle size distribution of an aerosol" was invented by Maximilian Weiss (Weingarten, Germany) and Frederik Weis (Herxheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a source-dependent particle size distribution of an aerosol by an aerosol measuring device. First, a fraction parameter is determined that corresponds to a fraction of a source-dependent aerosol part of the aerosol. In addition, a particle size distribution of the aerosol parti...