ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,879, issued on March 31, was assigned to Aerosol Dynamics Inc. and Washington University.
"Aerosol mobility imaging" was invented by Jian Wang (St. Louis), Steven Russel Spielman (Oakland, Calif.), Jiaoshi Zhang (St. Louis), Susanne Vera Hering (Berkeley, Calif.) and Jing Li (St. Louis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method to measure a size distribution of particles based on their electrical mobility. The method includes: introducing, via a sheath flow inlet, a particle free sheath flow into a chamber formed by two parallel walls which are separated by a gap, the chamber having a width and a length, the sheath flow havi...