ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,693, issued on Sept. 8, was assigned to DELTA T LLC (Lexington, Ky.).
"Fan blade retention system and related methods" was invented by Gregory W. Peterson (Nicholasville, Ky.) and Igor Davidenko (Lexington, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan includes a motor adapted to be rotated about an axis and a hub adapted to be rotated by the motor. The hub may include first and second hub parts adapted to mate to form the hub, the first and second hub parts having a gap therebetween. A plurality of fan blades each includes an end portion located in the gap formed between the first and second hub parts, which may be drawn together by a fa...