US Patent Issued to Dietze & Schell Maschinenfabrik on May 27 for "Apparatus and method for recovering precious metals, such as platinum, rhodium, gold, silver, etc., from contaminated cement" (Italian, French Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,381, issued on May 27, was assigned to Dietze & Schell Maschinenfabrik GmbH & Co. KG (Coburg, Germany).

"Apparatus and method for recovering precious metals, such as platinum, rhodium, gold, silver, etc., from contaminated cement" was invented by Marc Mounier (Le Touvet, France), Andrea Colombo (Costamasnaga, Italy) and Alberto Fabbris (Verbania, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and method for recovering precious metals from contaminated cement, comprising, in order of process, a crusher, in which a cement-metal conglomerate is placed, a sieve, a dispenser, a first container, suitable for collecting the metal on the bot...