Patents by Inventor David W. Daugherety, Jr.

David W. Daugherety, Jr. 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).

  • Patent number: 5172819
    Abstract: The present invention provides a bearing assembly for use in 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, and a device for securing such bearing assembly to the coupling apparatus.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: December 22, 1992
    Assignees: Westinghouse Air Brake Company, Sargent Industries, Inc.
    Inventors: David W. Daugherety, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr.