ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,608, issued on June 23, was assigned to Glatt GmbH (Binzen, Germany).

"Particle removal device and method for wet cleaning of a particle removal device" was invented by Jochen Thies (Lorrach, Germany) and Dirk Zimmermann (Wehr, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A particle removal device for removing particles from a process gas stream, and a method for wet cleaning of the particle removal device. The particle removal device includes a housing comprising a vertically oriented longitudinal axis, a filter subdividing the housing into a process chamber and a clean gas chamber, and a clean gas chamber cleaning device arranged in the ...