ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,208, issued on Oct. 7, was assigned to Andreas Stihl AG & Co. KG (Waiblingen, Germany).
"Cooling air routing on an electric blower apparatus" was invented by Roland Mandel (Stuttgart, Germany), Sebastian Piekarek (Stuttgart, Germany), Alexander Buchmann (Schwaikheim, Germany), Manuel Waiblinger (Stuttgart, Germany), Thilo Stuerzel (Remshalden, Germany) and Mathias Schmitz (Waiblingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to an electric blower apparatus having a blower spiral and a fan wheel rotating in the blower spiral. For driving the fan wheel, an electric motor is disposed on an axial end face of the blowe...