Patents by Inventor Wayne Griswold

Wayne Griswold 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).

  • Publication number: 20010007400
    Abstract: The present invention relates generally to linear electric machines, capable of converting electrical current into mechanical work or mechanical work into electrical current. More specifically, this invention relates to an electric machine having a ferromagnetic vessel containing a single-pole magnetic field, end caps for reflecting magnetic energy and a shaft having an electromagnetic coil which moves relative to the magnetic field.
    Type: Application
    Filed: February 19, 2001
    Publication date: July 12, 2001
    Inventor: Wayne Griswold
  • Publication number: 20010004171
    Abstract: The present invention relates generally to linear electric motor, capable of converting electrical current into mechanical work. More specifically, this invention relates to an electric motor having a ferromagnetic vessel containing a single-pole magnetic field, and a shaft having an electromagnetic coil which moves relative to the magnetic field.
    Type: Application
    Filed: February 19, 2001
    Publication date: June 21, 2001
    Inventor: Wayne Griswold
  • Patent number: 6242823
    Abstract: The present invention relates generally to linear electric machines, capable of converting electrical current into mechanical work or mechanical work into electrical current. More specifically, this invention relates to an electric machine having a ferromagnetic vessel containing a single-pole magnetic field, end caps for reflecting magnetic energy and a shaft having an electromagnetic coil which moves relative to the magnetic field.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: June 5, 2001
    Inventor: Wayne Griswold
  • Patent number: D264325
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: May 11, 1982
    Inventor: Wayne Griswold