Patents by Inventor Howard T. Nelson

Howard T. Nelson 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).

  • Guide wing for a furnace paddle
    Patent number: 4218214
    Abstract: A furnace paddle adapted to hold semiconductor wafers therein and having means attached thereto for supporting the paddle for movement along the inside of a cylindrically-shaped tube of a semiconductor processing furnace has means attached to the paddle adjacent the supporting means for limiting the lateral movement of the supporting means up the inside wall of the tube. The means includes a guide wing having two ends for contacting respectively the inside wall of the tube at intersecting points of a chord thereof and having a stem attached to the paddle adjacent the supporting means for maintaining the ends proximate the inside wall of the tube.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: August 19, 1980
    Assignee: RCA Corporation
    Inventor: Howard T. Nelson