Patent ID: 11939147
Assignee: ATLAS SAND COMPANY, LLC
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The method of claim 3, wherein:
each of the container(s) of each of the trailers comprises a lower gate movable between:
an open state in which proppant is permitted to exit the container downwardly through the lower gate; and
a closed state in which proppant is not permitted to exit the container through the lower gate; and

transferring proppant from at least one of the container(s) of the third trailer to the container(s) of each of the first and second trailers comprises:
for at least one of the container(s) of the third trailer, moving the lower gate of the container from the closed state to the open state such that proppant exits the container; and
for each of the container(s) of each of the first and second trailers, conveying proppant from the third trailer upward on a conveyor such that the proppant is conveyed off the conveyor and falls into the container.