ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,523, issued on June 17, was assigned to WASKEY BRIDGES INC. (Baton Rouge, La.).
"Cryogenic trench/trough apparatus and method" was invented by Stephen G. Benton Jr. (Metairie, La.), Benjamin Owens (Baton Rouge, La.), Charlie Belsom (Covington, La.), Kevin Babin (Baton Rouge, La.) and Jon Gary (Baton Rouge, La.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of installing a trough or trench for containing a cryogenic spill, includes the step of constructing multiple precast concrete sections at a first location, each section having a bottom wall and spaced apart side walls connected to and extending up from the bottom wall. Each section has e...