Patents by Inventor John J. O'Malley

John J. O'Malley 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).

  • Four speed power transmission with overdrive
    Patent number: 4157046
    Abstract: A power transmission, having three interconnected simple planetary gear sets, two friction clutches and three friction brakes operable to establish two underdrive forward ratios, a direct forward ratio, an overdrive forward ratio and a reverse ratio, is provided for use in a motor vehicle.
    Type: Grant
    Filed: April 12, 1978
    Date of Patent: June 5, 1979
    Assignee: General Motors Corporation
    Inventor: John J. O'Malley