ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,739,948, issued on Sept. 15, was assigned to TURK & HILLINGER GMBH (Tuttlingen, Germany).
"Electric heater and method of making an electric heater" was invented by Andreas Schlipf (Tuttlingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric heater with a tubular metal jacket and an electric heating element, which is embedded in the interior of the tubular metal jacket in an electrically insulating material and is coiled at least in some sections. The electric heating element has at least one unheated end section, wherein the unheated end section has, on its side, one or more shaped coils of the electric heating element and at least o...