ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,208, issued on April 15, was assigned to Flower Turbines Inc. (Lawrence, N.Y.).

"Sleeves for turbine shafts" was invented by Mark Daniel Farb (Lawrence, N.Y.), Jonathan Forbes (Lauderhill, Fla.), Irakli Baitish (Haifa, Israel) and James Boyle (Omaha, Neb.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid turbine may include a vertically-orientable shaft having at least one opening extending transversely therethrough, a first blade portion configured for vertical orientation on first side of the shaft, a second blade portion configured for vertical orientation on a second opposite side of the shaft, at least one rod extending through the shaft op...