ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,538, issued on Jan. 28, was assigned to Universite Laval (Quebec, Canada).
"Shotcrete nozzle assembly" was invented by Pierre Siccardi (Quebec, Canada), Marc Jolin (Quebec, Canada), Thomas Jacob-Vaillancourt (Quebec, Canada) and Antoine Gagnon (Quebec, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shotcrete nozzle assembly comprising: a tubular body including a body sidewall defining a central passageway extending along a central longitudinal passageway axis, and water dispensing bores extending through the body sidewall and including: first and second sets of water dispensing bores positioned such that outlet openings thereof defined in a...