Patents by Inventor Edward F. Leonard

Edward F. Leonard 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).

  • Rotating superconductor magnet for producing rotating lobed magnetic field lines
    Patent number: 4084209
    Abstract: This invention provides a rotating superconductor magnet for producing a rotating lobed magnetic field, comprising a cryostat; a superconducting magnet in the cryostat having a collar for producing a lobed magnetic field having oppositely directed adjacent field lines; rotatable support means for selectively rotating the superconductor magnet; and means for energizing the superconductor magnet.
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: April 11, 1978
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Sadek K. Hilal, William B. Sampson, Edward F. Leonard