Patents by Inventor Robert S. Wentworth, deceased

Robert S. Wentworth, deceased 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).

  • Mechanical seal lubrication improvement
    Patent number: 4804194
    Abstract: An improved lubricating system for mechanical seal assemblies in which baffle means are positioned closely adjacent to the seal faces forming restricted passages for the flow of lubricating fluid under pressure to the opposing seal faces especially when the pressure of the product fluid is relatively low.
    Type: Grant
    Filed: October 15, 1987
    Date of Patent: February 14, 1989
    Assignee: BKI/IP International, Inc.
    Inventors: Larry A. Hufford, Robert S. Wentworth, deceased, by Benning Wentworth, executor