ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,175, issued on April 21, was assigned to CAREMEDI Co. LTD. (Seoul, South Korea).

"Electro-osmotic pump, method of manufacturing electrode, fluid pumping system using the same, and operation method thereof" was invented by Woonsup Shin (Seoul, South Korea), Enhua Zhu (Seoul, South Korea), Kyeonghyeon Kim (Icheon-si, South Korea) and Junyeong Kang (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electro-osmotic pump according to an embodiment of the present disclosure includes: a membrane that allows fluid movement; and a first electrode and a second electrode respectively provided on both sides of the membrane. The first electro...