Patents by Inventor Douglas A. Hinkley

Douglas A. Hinkley 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).

  • Conductive joint formed by electron beam welding and method thereof
    Patent number: 6278064
    Abstract: An arrangement is provided for welding together current carrying members of an electrical distribution device that are made of similar conductive material. The arrangement includes an electron beam gun capable of generating an electron beam sufficient to penetrate and heat the material, thereby providing mixing of the material to form a joint which is constructed substantially of a portion of each of the current carrying members.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: August 21, 2001
    Assignee: Square D Company
    Inventors: Douglas A. Hinkley, James V. Fixemar, John Barta
  • Conductive joint formed by electron beam welding and method thereof
    Patent number: 5798495
    Abstract: An arrangement is provided for welding together current carrying members of an electrical distribution device which are made of similar conductive material. The arrangement includes an electron beam gun capable of generating an electron beam sufficient to penetrate and heat the material, thereby providing mixing of the material to form a joint which is constructed substantially of a portion of each of the current carrying members.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: August 25, 1998
    Assignee: Square D Company
    Inventors: Douglas A. Hinkley, James V. Fixemer, John J. Barta