ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,563, issued on Dec. 16, was assigned to BAUER Spezialtiefbau GmbH (Schrobenhausen, Germany).

"System and method for producing an injection silicate gel solution for injection into a soil" was invented by Dirk Beier (Chemnitz, Germany), Karsten Beckhaus (Munich), Lars Liersch (Schrobenhausen, Germany) and Patrik Wenzl (Stadtbergen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a system for producing an injection silicate gel solution for injection into a soil, comprising a filtering device through which a mixing water can flow for pretreatment, wherein the filtering device comprises at least one filter element for io...