Patents by Inventor Greg Alan Lehmann

Greg Alan Lehmann 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).

  • Pole piece assembly and open magnet having same
    Patent number: 6166617
    Abstract: A magnet pole piece assembly has first and second pole pieces and at least one support member. The pole pieces have longitudinally aligned and facing surface recesses. The support member has a central segment and first and second end segments abuttingly and metallurgically attached to the central segment. The first and second end segments are positioned within a corresponding surface recess of the first and second pole piece and are abuttingly and metallurgically attached to the corresponding pole piece. An open magnet adds main coils to the magnet pole piece assembly.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: December 26, 2000
    Assignee: General Electric Company
    Inventors: Evangelos Trifon Laskaris, James Pellegrino Alexander, Delton Andrews Grey, Jr., Greg Alan Lehmann