ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,189, issued on Nov. 18, was assigned to CAREMEDI Co. LTD. (Seoul, South Korea).
"Electrochemical apparatus for monitoring flow rate" was invented by Woon Sup Shin (Seoul, South Korea), Enhua Zhu (Seoul, South Korea) and Tae Jwa Park (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an electrochemical apparatus for monitoring flow rate including a membrane having a space that is formed in a middle portion of the membrane and has a preset volume to contain an ionic fluid, a first electrode and a second electrode provided on both sides of the membrane, and a control unit configured to apply a voltage to t...