ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,144, issued on Oct. 21.
"Multi-motor drive unit" was invented by Shawn M. Theiss (North Benton, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "Drive systems use multiple motors that work together to reduce the propulsion system weight while not sacrificing horsepower while also providing redundancies for safety. The drive systems can be used to power an aircraft. An advantage in the use of multiple smaller, lighter motors in a drive system is that the propulsion system has redundant safety. Should one motor in the propulsion system fail during operation, the other motor or motors will continue to produce thrust to enable the aircraft to continu...