Patents by Inventor Andrew Roxborough

Andrew Roxborough 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).

  • Magnetically isolated bolts for linear induction motor
    Patent number: 5191246
    Abstract: A primary for a linear induction motor is formed from laminae which are bolted together. The bolts are located in protuberances on the opposite edge to the teeth so as to be outside the path of substantial flux penetration.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: March 2, 1993
    Assignee: UTDC Inc.
    Inventor: Andrew Roxborough