ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,892, issued on Dec. 30, was assigned to Putzmeister Engineering GmbH (Aichtal, Germany).

"Fail-safe stability monitoring function for a thick matter conveying system" was invented by Ansgar Muller (Aichtal, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to, inter alia, a thick matter conveying system (10) comprising a thick matter pump (16) for conveying a thick matter; a thick matter distributing mast (18) for distributing the thick matter to be conveyed, said thick matter distributing mast (18) having a rotary mechanism (19) which can be rotated about a vertical axis and a mast assembly (40) comprising at least two ma...