Patents by Inventor Ryan J. Theal

Ryan J. Theal 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).

  • Clamped quantized feed system for solid freeform fabrication
    Patent number: 7648664
    Abstract: A material feed system for solid freeform fabrication. The build material is delivered in discrete or quantized amounts by a clamp feed system in a non-flowable state to the dispensing device and the material is then changed to a flowable state prior to being dispensed. The feed system can be used to build three-dimensional objects in color, if desired. The clamped feed system is integrated with a waste removal system.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: January 19, 2010
    Assignee: 3D Systems, Inc.
    Inventors: Brent Teal, Ryan J. Theal, Dave B. Petch, Thomas O'Regan, Stephen M. Cunningham