ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,969, issued on July 28, was assigned to KILL WATT GMBH (Tirschenreuth, Germany).
"Means of transport that can be simultaneously driven electromotively and by human muscular power" was invented by Hans Peter Ackermann (Tirschenreuth, Germany) and Volker Ackermann (Tirschenreuth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A means of transport, in particular a pedelec, which can be driven by means of drive energy produced electromotively and by human muscular power, comprising a drive unit in which an electric drive motor and a harmonic drive transmission are nested one inside the other, thereby saving space."
The patent was filed on Sept....