ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,230, issued on March 25, was assigned to The Charles Machine Works Inc. (Perry, Okla.).
"Offloading vacuum tank" was invented by Cody L. Sewell (Perry, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An offloading vacuum system. The system has a tank to capture debris from an excavation site. The debris is pulled into the tank due to a blower pulling air into an attached hose. An internal conveyor within the tank conveys material to an offloading hub. The offloading hub has a ground-facing door which opens to deposit debris into an external conveyor. The external conveyor, when deployed, can move debris from below the tank to a dump container ...