ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,604, issued on June 17, was assigned to KOLON INDUSTRIES INC. (Seoul, South Korea).

"Membrane humidifier for fuel cell" was invented by Do Woo Kim (Seoul, South Korea), Kyoung Ju Kim (Seoul, South Korea) and Jin Hyung Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency due to a pressure difference between the inside and outside of a membrane humidifier, the membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprising: a middle case having a module insertion part i...