Patents by Inventor Darwin G. Davis

Darwin G. Davis 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 electromagnetic powder deposition
    Publication number: 20020146508
    Abstract: The present invention provides a method for depositing powder particles on a substrate. The method comprises forming a planar plasma armature, accelerating the plasma armature, accelerating a column of gas with the plasma armature; and accelerating the powder particles with the column of gas. The present invention provides for a railgun, comprising first and second conducting rails, and first and second insulating rails. The insulating and conducting rails form a bore of the railgun. The first and second conducting rails are separated by the insulating rails. At least one of the rails has a port in the wall thereof, the port is adapted to introducing powder particles into the bore.
    Type: Application
    Filed: December 11, 2001
    Publication date: October 10, 2002
    Applicant: Board of Regents, University of Texas System
    Inventors: James L. Bacon, Darwin G. Davis, Robert L. Sledge, Robert J. Polizzi, John R. Uglum, William F. Weldon, Raymond C. Zowarka
  • Method and apparatus for electromagnetic powder deposition
    Patent number: 6329025
    Abstract: The present invention provides a method for depositing powder particles on a substrate. The method comprises forming a planar plasma armature, accelerating the plasma armature, accelerating a column of gas with the plasma armature; and accelerating the powder particles with the column of gas. The present invention provides for a railgun, comprising first and second conducting rails, and first and second insulating rails. The insulating and conducting rails form a bore of the railgun. The first and second conducting rails are separated by the insulating rails. At least one of the rails has a port in the wall thereof, the port is adapted to introducing powder particles into the bore.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: December 11, 2001
    Assignee: University of Texas System Board of Regents
    Inventors: James L. Bacon, Darwin G. Davis, Robert L. Sledge, Robert J. Polizzi, John R. Uglum, Jr., William F. Weldon, Raymond C. Zowarka