Patents by Inventor Kenneth Leslie Driver

Kenneth Leslie Driver 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).

  • D. C. Motor control system effecting changes in the connections of the armature and variations in current flow through the field
    Patent number: 3938013
    Abstract: A d.c. motor control system includes a pair of armature windings mounted on a single rotor or on a pair of mechanically coupled rotors, and a field winding or windings. The system includes switch means operable to effect a change in the electrical connections of the armature windings to a pair of electrical supply terminals and means for effecting variations of the current flowing in the field winding or windings.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: February 10, 1976
    Assignee: C.A.V. Limited
    Inventors: Alec Harry Seilly, Kenneth Clive Scott, Kenneth Leslie Driver