US Patent 10239661 Stackable plastic container

A container for storage and transport of goods includes four sidewalls which surround a first planar bottom and have on their upper end a rim. A second bottom with a multiplicity of bottom ribs is connected to the first bottom by welding the bottom ribs of the second bottom with the first bottom. At least two opposite sidewalls of the container have each a projection which extends away from a sidewall and at a predetermined distance from the sidewall extends parallel to the sidewall in the direction of the bottom of the container. The projection has a horizontal end face which extends parallel to the area of the upper rim of the sidewall, with the horizontal end face extending at a level underneath the bottom plate of the first bottom.