ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,834, issued on Sept. 2, was assigned to VELOCITY WIND TURBINES LLC (Austin, Texas).

"Configurable multi-purpose cross-flow wind turbine with performance enhancements" was invented by Jon Paden (Austin, Texas) and Paul Severin (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wind turbine rotor includes an axle, a plurality of primary blades disposed at regular intervals around the axle, and a plurality of secondary blades disposed around the axle between primary blades of the plurality of primary blades. Each secondary blade of the plurality of secondary blades is smaller than each primary blade of the plurality of primary blades."

Th...