Patents by Inventor Harvey E. Amwake

Harvey E. Amwake 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).

  • Side bearing cage assembly
    Patent number: 4332202
    Abstract: Raised pads of minimum area are provided on the top surface of a railroad truck bolster to cooperate with and present maximum support to the side bearings with only minor grinding operations needed to the as-cast surface to assure full bearing.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: June 1, 1982
    Assignee: Dresser Industries, Inc.
    Inventor: Harvey E. Amwake