Patents by Inventor Russell G. Keanini

Russell G. Keanini 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).

  • Apparatus and method for creating dry underwater welds
    Patent number: 5981896
    Abstract: An apparatus for underwater welding has a housing and a diverter. The diverter is inside the housing and has an outer sheath and an inner sheath. A gap between the housing and diverter passes a screening fluid to form an outer screening jet that prevents water from flowing into a weld site near the electrode. The inner sheath forms a pair of channels in the inner diverter. One channel passes a shielding fluid that shields the weld site. The other channel forms an exhaust line for venting the weld site during welding.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: November 9, 1999
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Russell G. Keanini, Michael L. Newman, Robert Jeffery Lowery, Gregory J. Frederick