Patents by Inventor Brent C. Ewald

Brent C. Ewald has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POWDER CONTAINER
    Publication number: 20210187848
    Abstract: In one example, a powder supply container includes an interior chamber to contain powder, a first basin in the chamber, an outlet from the chamber in the first basin, a second basin in the chamber, and a stallable lift inside the chamber to lift powder out of the second basin into the first basin. The lift is to stall at a stall threshold in which powder in the container prevents the lift from lifting.
    Type: Application
    Filed: September 22, 2016
    Publication date: June 24, 2021
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Brent C. EWALD, Wesley R. SCHALK
  • LIGHTING ASSEMBLY FOR ADDITIVE MANUFACTURING
    Publication number: 20200353686
    Abstract: In one example, a fusing system for an additive manufacturing machine includes a stationary lighting assembly positioned over a work area and structured to simultaneously irradiate the entire work area with fusing light.
    Type: Application
    Filed: January 31, 2018
    Publication date: November 12, 2020
    Inventors: Alvin Post, Brent C. Ewald, Luke P. Sosnowski