Patents by Inventor Chad Joseph Norberg

Chad Joseph Norberg 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).

  • Patent number: 10683697
    Abstract: A fire-rated sliding elevator glass door is provided. The door includes a face panel, a liner, a fire-rated glass panel, and a retainer that retains the glass panel in the door frame. The elevator door is configured to pass a 90-minute fire rating test. The elevator door can be implemented as a single-speed side open elevator door, a single-speed center open elevator door, a two-speed side opening sliding elevator door, or a two-speed center opening sliding elevator door. A method of constructing the fire-rated elevator door is provided.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: June 16, 2020
    Assignee: EP Acquisition, Inc.
    Inventors: Julie Ann Clauson, Jashan Deshan Eison, Mark Gabriel Hamilton, Chad Joseph Norberg, William Theodore Sillman, Leo Joseph Tomperi
  • Publication number: 20190376335
    Abstract: A fire-rated sliding elevator glass door is provided. The door includes a face panel, a liner, a fire-rated glass panel, and a retainer that retains the glass panel in the door frame. The elevator door is configured to pass a 90-minute fire rating test. The elevator door can be implemented as a single-speed side open elevator door, a single-speed center open elevator door, a two-speed side opening sliding elevator door, or a two-speed center opening sliding elevator door. A method of constructing the fire-rated elevator door is provided.
    Type: Application
    Filed: June 7, 2019
    Publication date: December 12, 2019
    Inventors: Julie Ann Clauson, Jashan Deshan Eison, Mark Gabriel Hamilton, Chad Joseph Norberg, William Theodore Sillman, Leo Joseph Tomperi