Patents by Inventor David W. Daugherty

David W. Daugherty 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).

  • Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars
    Patent number: 5042393
    Abstract: The present invention provides an apparatus for securing a bearing assembly to an articulated coupling apparatus which connects one end of one railway car to an adjacent end of a second railway car in a semipermanent manner. Such coupling apparatus includes a male connection member, a female connection member, a bearing assembly, and such device for securing such bearing assembly to the coupling apparatus.
    Type: Grant
    Filed: May 8, 1990
    Date of Patent: August 27, 1991
    Assignees: Westinghouse Air Brake Company, Sargent Industries, Inc.
    Inventors: Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr.