Patents by Inventor Derek E. Allen

Derek E. Allen 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).

  • Manufacture of armature winding conductors
    Patent number: 4670971
    Abstract: A method of manufacturing an armature winding conductor including fusing brazing alloy onto the surface of the conductor, and, ensuring that the dimensions of the conductor, in the region carrying the alloy, are such that the conductor can pass through the slots of the armature core with which the windings are to be associated in use. The conductor is cut to length and bent to fit the armature either before or after the fusion step.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: June 9, 1987
    Assignee: Lucas Industries public limited company
    Inventors: Derek E. Allen, Malcolm C. Woodward, Brian W. Cleaver