ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,170, issued on Nov. 11, was assigned to IZUMI FOOD MACHINERY Co. LTD. (Hyogo, Japan).

"Washing device and extraction system" was invented by Takemi Sato (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a washing device that washes a filter of an extraction device with a fluid, the extraction device including an extraction tank for storing an extraction material, a lid body supported openably and closably at a lower portion of the extraction tank, and the filter which is provided on the lid body, and on which the extraction material is placed, the washing device including, a tube body which is disposed at a fixed position with...