ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,325, issued on June 3, was assigned to Natel Energy Holdings Inc. (Alameda, Calif.).
"Hydraulic turbine" was invented by Abraham D. Schneider (San Francisco) and Sterling Marina Watson (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A runner for a hydraulic turbine configured to reduce fish mortality. The runner includes a hub and a plurality of blades extending from the hub. Each blade includes a root connected to the hub and a tip opposite the root. Each blade further includes a leading edge opposite a trailing edge, and a ratio of a thickness of the leading edge to a diameter of the runner can range from about 0.06 to about 0.35. Fur...