ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,004, issued on Aug. 26, was assigned to SANDBOX ENTERPRISES LLC (Katy, Texas).
"Support apparatus for proppant storage containers" was invented by Justin Shepherd (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A support apparatus includes a frame assembly with an elevated load surface for supporting a modular proppant container in a position above a ground level. A chute assembly is supported by the frame assembly beneath the elevated load surface. A gate actuator has a coupling configured to engage with a gate assembly of the modular proppant container supported on the elevated load surface and a drive mechanism extending between the f...