ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,309, issued on May 13, was assigned to IKA-WERKE GMBH & Co. KG (Staufen, Germany).

"Method for feeding solid material to a mixing device, solid-material feeding device and mixing assembly" was invented by Uwe Grimm (Staufen, Germany) and Andreas Otte (Staufen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to improvements in the technical field of feeding solid materials to mixing devices. For this purpose, the solid-material feeding device, inter alia, is proposed. The solid-material feeding device comprises the slide, which can be moved between a first end position and a second end position through a conveying connect...