ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,013, issued on July 21, was assigned to Kleemann GmbH (Goppingen, Germany).
"Crusher for mineral materials or recycled materials" was invented by Till Krauss (Rechberghausen, Germany), Gerd Meyer (Amstetten, Germany), Jochen Meier (Hulben, Germany), Steffen Haberle (Herbrechtingen, Germany) and Rainer Teichert (Haan, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crusher includes first and second crusher bodies defining a crushing gap. A hydraulic cylinder is coupled to one of the crusher bodies to adjust a width of the crushing gap. A pressure relief valve includes a pressure chamber communicated with the hydraulic cylinder. A pressure re...