Patents by Inventor William Joseph Robertson

William Joseph Robertson 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).

  • Battery Keel System and Method
    Publication number: 20090283024
    Abstract: A battery keel system for providing electrical power and ballast to a water vessel wherein the system comprises a keel including a cavity, at least one electrochemical cell and at least one electrical circuit extending from the electrochemical cell. The at least one electrochemical cell is positioned within the cavity, such that the electrochemical cell provides electrical power and ballast to the water vessel.
    Type: Application
    Filed: March 18, 2008
    Publication date: November 19, 2009
    Inventor: William Joseph Robertson