Patents by Inventor Fred W. Etcheverry

Fred W. Etcheverry 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).

  • Patent number: 9413198
    Abstract: A brushless synchronous electrical machine with an unwound rotor comprising poles excited through axial air gaps at both ends of the rotor by stationary exciters comprising high permeable cores and electrical winding.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: August 9, 2016
    Inventor: Fred W. Etcheverry
  • Publication number: 20150326077
    Abstract: A brushless synchronous electrical machine with an unwound rotor comprising poles excited through radial air gaps at both ends of rotor by stationary exciters comprising high permeable cores and electrical winding.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 12, 2015
    Inventor: Fred W. Etcheverry