ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,774, issued on Aug. 19.
"Rotating vacuum tank and method" was invented by Ted R. Dimitroff (Columbia, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum tank with a rear door, and air and material hoses connectable to the tank door. The tank is rotatable, while the door remains stationary. Liquid, particulate, or slurry material can be vacuumed into the rotating tank, without twisting the hoses. Additional water and/or drying agent can be added to the tank to create a slurry mixture, which can then be discharged from the tank at a convenient dump or work site. The tank may be mounted on a truck, trailer, or frame for transport to a job site...