Patents by Inventor Dan L. Lovelace

Dan L. Lovelace 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).

  • Laser welding superalloy articles
    Patent number: 6054672
    Abstract: A process is provided for laser welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a ductile temperature, maintaining such temperature during welding and solidification of the weld, with the welding utilizing a powder alloy feed and the speed of the laser controlled to less than 10 inches per minute.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: April 25, 2000
    Assignee: Chromalloy Gas Turbine Corporation
    Inventors: Michael F. Foster, Kevin J. Updegrove, Christopher A. Thurston, Dan L. Lovelace