Patents by Inventor Edward T. Lutnick

Edward T. Lutnick 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).

  • Disengagement control for a torque converter clutch
    Patent number: 4257503
    Abstract: A control for a torque converter clutch has a solenoid valve for initiating engagement and disengagement of the clutch. A switch responsive to vehicle brake pedal movement is operable to complete an electrical circuit for the solenoid valve to initiate disengagement of the clutch prior to energization of the vehicle braking system.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: March 24, 1981
    Assignee: General Motors Corporation
    Inventor: Edward T. Lutnick