ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,449, issued on Nov. 11, was assigned to TECHCROSS INC. (Seoul, South Korea).

"Transfer pump for a fixed amount of fluid" was invented by Chae Hyung Ryu (Busan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a transfer pump for a fixed amount of fluid, the transfer pump including: a tube guide block that is inserted to partially expose a fluid transfer tube; a tube compression block that is reciprocally disposed on the tube guide block and compresses the exposed portion of the tube inserted into the tube guide block to transfer the fluid; an air cylinder that has a rod connected to the tube compression block and reciprocates t...