US Patent Issued to Site Prop Systems on Nov. 25 for "Trailer-integrated drive-over sand-truck unloader system and method with safety features" (Minnesota Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,675, issued on Nov. 25, was assigned to Site Prop Systems Inc. (Colorado City, Texas).

"Trailer-integrated drive-over sand-truck unloader 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 multiple-trailer drive-over sand-truck unloader system and method with safety features, each trailer configured to interconnect mechanically and/or electrically and/or hydraulically to another adjacent trailer for electrical power, hydraulic power and data communications and capable of being set up into an operational config...