ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,453, issued on March 3.
"Device and procedure for cooling fresh concrete at elevated temperatures" was invented by Zeljko Zecevic (Futog, Serbia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The device and procedure for cooling fresh concrete at elevated temperatures enable efficient cooling of fresh concrete, which is achieved by the subject device comprising of: cooling station (1) with measuring and regulating equipment (2) and safety equipment (3), solenoid valves (5), pressure transmitter (6), cryogenic shut-off valves (7), collector (17) made of stainless steel pipes with temperature probes (8), concrete mixer (9) and manometer (10) with safe...