ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,627, issued on April 14, was assigned to Qlar Europe Gmbh (Darmstadt, Germany).
"Metering device" was invented by Frank Wucher (Darmstadt, Germany) and Bernd Allenberg (Darmstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metering device for discharging bulk material at a discharge opening, with a hopper for storing the bulk material, and a conveying device for conveying the bulk material from the hopper to the discharge opening. The hopper has an outlet opening through which the bulk material can be conveyed out of the hopper by the conveying device, and a slide gate, the position of which determines an outlet cross-section of the o...