Patents by Inventor Andisheh Vahidkhah

Andisheh Vahidkhah 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).

  • Method and apparatus for variably controlling the temperature in a selective deposition modeling environment
    Patent number: 6162378
    Abstract: A method, system and apparatus for variably controlling the temperature in a selective deposition modeling environment. The temperature of the formed portion of the three-dimensional object is detected. A gas is forced onto a surface of the formed portion of the three-dimensional object. The forced gas has a characteristic, such as temperature and quantity, that is variably controlled based on the detected temperature of the formed portion of the three-dimensional object.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: December 19, 2000
    Assignee: 3D Systems, Inc.
    Inventors: Bryan J. L. Bedal, Joe M. Brown, John Stockwell, Andisheh Vahidkhah