ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,584, issued on Jan. 28, was assigned to Xi'an University of Technology (Xi'an, China).

"Ecological flow determination method for considering lifting amount" was invented by Jungang Luo (Xi'an, China) and Dandan Liu (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ecological flow determination method for considering a lifting amount a belongs to a technical field of environmental engineering and includes the following steps: collecting, by a collecting device, data needed to calculate an ecological flow; determining, by a calculating device, an ecological base flow; selecting an upper limit and a lower limit of the ecological base flow...