The device includes a closed path, along which overturning members move, which are configured to pick the products in the entrance position and to release the products in the exit position. The overturning members are configured and arranged to perform, along a segment of the closed path included between the entrance position and the exit position, a rotation by about 90°, in order to overturn the products while translating them from the entrance position to the exit position along the segment of the path.