ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,714, issued on July 15, was assigned to Emission Zero B.V. (Schiedam, Netherlands).

"Cover element for forming a so-called internal floating roof in a liquid tank" was invented by Robin Alexander Essenius (Schiedam, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Cover element for forming a floating covering for a liquid tank, comprising a housing (1a, 1b) having a first longitudinal coupling profile (2) and a second longitudinal coupling profile (3), as a result of which two adjacent housings (1 a, 1 b) may be coupled to one another by means of hook hinge profiles (2a, 3a) at the bottom and top coupling profiles (2b, 3b) and a locking pr...