US Patent Issued to thyssenkrupp Polysius, thyssenkrupp on June 30 for "Device and method for the thermal treatment of a mineral feedstock" (German, French Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,537, issued on June 30, was assigned to thyssenkrupp Polysius GmbH (Beckum, Germany) and thyssenkrupp AG (Essen, Germany).

"Device and method for the thermal treatment of a mineral feedstock" was invented by Eike Willms (Dortmund, Germany), Patrick Brunelot (Marseilles, France), Martin Uhde (Ennigerloh, Germany), Olaf Ontrup (Herzebrock-Clarholz, Germany), Constantin Kimmig (Soest, Germany) and Jost Lemke (Ennigerloh, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to apparatus for thermal treatment of a mineral starting material, wherein the apparatus comprises a calciner, wherein the calciner comprises at least...