ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,734, issued on July 7, was assigned to FENG CHIA UNIVERSITY (Taichung City, Taiwan).

"Viscometer and operation method thereof" was invented by Chih-Hsin Shih (Taichung City, Taiwan) and Shen-Fu Weng (Taichung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a viscometer and an operation method thereof. The viscometer comprises a disk and at least one microfluidic structure. The microfluidic structure is embedded in the disk and has a first chamber which is connected to a second chamber. The second chamber is provided with an annular chamber along the circumferential direction of the disk and comprises at least one in...