US Patent Issued to PETROLEO BRASILEIRO S.A. - PETROBRAS on April 1 for "Method and system for replacing the fixed roof of a storage tank" (Brazilian Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,495, issued on April 1, was assigned to PETROLEO BRASILEIRO S.A. - PETROBRAS (Rio de Janeiro, Brazil).

"Method and system for replacing the fixed roof of a storage tank" was invented by Samuel Tadeu De Paula Andrade (Betim, Brazil) and Marcelo De Deus Oliveira (Betim, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of methods and systems for replacing a fixed roof of a storage tank. An embodiment of a method includes pre-assembling a roof on a floor of a tank basin in the form of modules, assembling the modules on a top of the tank, and welding the modules together to form the roof of the tank. An embodiment of a system for replaci...