US Patent Issued to Site Prop Systems on May 27 for "Trailer-integrated self-contained frac-sand system and method with safety features" (Minnesota Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,931, issued on May 27, was assigned to Site Prop Systems Inc. (Colorado City, Texas).

"Trailer-integrated self-contained frac-sand system and method with safety features" was invented by Jeffrey D. Flood (Mayer, Minn.) and Joseph G. Kreuser (Prior Lake, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-contained single-trailer sand-conveyor and mixer system capable of being erected into an operational configuration and reconfigured into a compact highway-travel configuration, without the need for safety harnesses. The system, mounted on a single trailer, includes an input feed hopper for side-loading sand, first and second conveyors for ma...