Patents by Inventor Phillip Ligrani

Phillip Ligrani 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).

  • Aspherical dimples for heat transfer surfaces and method
    Publication number: 20060099073
    Abstract: A dimple for use on a heat transfer surface exposed to a flowing gas, for use for example in a gas turbine engine, the dimple having an aspherical shape.
    Type: Application
    Filed: November 5, 2004
    Publication date: May 11, 2006
    Inventors: Toufik Djeridane, Timothy Blaskovich, Sri Sreekanth, Ricardo Trindade, Michael Clyde Papple, Olivier Bibor, Larry Lebel, Phillip Ligrani