Patents by Inventor Laurence Manderson

Laurence Manderson 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).

  • Method of manufacturing transformer cores
    Patent number: 4557039
    Abstract: A method of manufacturing transformer cores of either the continuously wound or cut wound type using electrical steel strip having approximately a linear taper. By selecting a suitable taper, a hexagonal (or higher order) approximation of a circular cross section for the legs of the cores is produced. Two complementary core strips can be cut from a single rectangular stock strip in a scrapless manner. The product produced by the method is also disclosed.
    Type: Grant
    Filed: July 20, 1982
    Date of Patent: December 10, 1985
    Assignee: Susan V. Manderson
    Inventor: Laurence Manderson