ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,697, issued on July 8, was assigned to GEMA SWITZERLAND GMBH (St. Gallen, Switzerland).

"Powder dispensing device with a dilute phase powder pump" was invented by Roger Tobler (Herisau, Switzerland), Marco Sanwald (Abtwil, Switzerland) and Felix Mauchle (Abtwil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder discharge device includes a powder thin flow pump for delivering powder, particularly coating powder, from a powder reservoir to a powder spray device, with a control device being integrated in the powder discharge device, which control device is designed to adjust at least one parameter, which is characterizing in relation t...