ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,726, issued on April 22, was assigned to VENTURE LENDING & LEASING VIII INC. (Portola Valley, Calif.).

"Flow battery system" was invented by Richard O. Winter (El Macero, Calif.), Kathryn M. Oseen-Senda (Seattle), Brian Aher (Seattle), Jonathan Horner (Everett, Wash.), Guanguang Xia (Everett, Wash.), Jinfeng Wu (Mukilteo, Wash.), Erik K. L. Johnson (Everett, Wash.) and Jason I. Cruz (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with embodiments of the present disclosure, a redox flow battery (RFB) may include a shell, an electrolyte storage tank assembly disposed in the shell, wherein at least a portion of the electrol...