ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,381, issued on Feb. 24, was assigned to thyssenkrupp Polysius GmbH (Beckum, Germany), Vicat SA (L'Isle-d'Abeau, France) and Dyckerhoff GmbH (Wiesbaden, Germany).
"Installation for the thermal treatment of dispersible raw material, and method for operating such an installation" was invented by Anna Ivanova Dinkova (Dortmund, Germany), Eike Willms (Dortmund, Germany), Jost Lemke (Ennigerloh, Germany) and Karl Lampe (Ennigerloh, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An installation for thermal treatment of free-floating raw material, in particular cement raw meal and/or mineral products, may include a riser line through which hot gases...