ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,715, issued on July 14, was assigned to GIFFIN INC. (Auburn Hills, Mich.).
"Paint sludge separator tank using froth floatation" was invented by Abraham J. Salazar (Lake Orion, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a sparger and a gas supply for paint sludge separation in a tank containing a mixture of paint and liquid. The tank has an open upper end for moving paint sludge out of the tank. The sparger includes a gas inlet tube fluidically connected to an enclosure hood, the inlet tube projecting downwardly into the tank to a tube outlet. The enclosure hood has a closed upper end that radially encloses the tube outlet...