Patents Assigned to ExOne Operating, LLC.
  • Patent number: 11453159
    Abstract: A powder layer smoothing devices adapted for use with powder-layer three-dimensional printers are described. The smoothing devices include an oscillating smoothing device that includes a leading edge adapted to cut, remove, and redistribute excess powder in a powder layer. A leveling sled follows the leading edge to trowel and compact the powder in the powder layer.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: September 27, 2022
    Assignee: ExOne Operating, LLC.
    Inventors: Adam W. Stroud, Lucas W. Phalen