ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,823, issued on May 27, was assigned to TREMCAR INC. (Saint-Jean-sur-Richelieu, Canada).
"Tank trailer with fluid collection system" was invented by Alexandre Synnott (Quebec, Canada) and Pierre-Luc Beaudette (Saint-Basile-le-Grand, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tank trailer is provided. The tank trailer includes a tank having an interior volume adapted to contain fluid, and a manhole extending through the tank and positioned proximate a rear portion thereof and proximate to ground level. The tank trailer also includes a ventilation system having a ventilation interface communicating with the interior volume of the tank, a v...