ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,862, issued on April 21, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Mixer, system for applying a building material and method for producing a structure from building material" was invented by Patrik Kuhn (Zurich, Switzerland), Armin Bruhwiler (Butschwil, Switzerland), Raphael Bourquin (Stadel, Switzerland), Didier Lootens (Kussnacht, Switzerland) and Luka Oblak (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mixer (1) comprises a drum (2) having at least one inlet (6) and one outlet (7). The mixer (1) furthermore comprises a drive (3) and a stirring shaft (4), which is arranged in the drum (2) and is coupled to t...