ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,953, issued on April 21, was assigned to GENERAL PLASTIC INDUSTRIAL Co. LTD. (Taichung City, Taiwan).
"Method and apparatus for cleaning toner cartridge" was invented by Thn-Chn Yu (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for cleaning a toner cartridge includes the steps of taking a toner cartridge provided at a first end and a second end thereof with a first opening and a second opening respectively, engaging an air-blowing connector with the first opening, inserting the second end of the toner cartridge into a tubular barrel which is provided with a conduit extending along an axial direction and an air nozzle...