ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,773, issued on April 7, was assigned to Siemens AG (Munich).

"Combustion apparatus with mass flow sensor" was invented by Rainer Lochschmied (Rheinstetten-Forchheim, Germany), Mike Schmanau (Malsch, Germany) and Bernd Schmiederer (Karlsruhe, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments include a combustion apparatus. An example apparatus includes: a burner; a side duct; and a feed duct. The side duct comprises an inlet, an outlet, and a mass flow sensor between the inlet and the outlet of the side duct. The mass flow sensor is configured to detect a signal corresponding to an amount of flow of a fluid through the side d...