Patents by Inventor Robert S. Wentworth, Jr., deceased

Robert S. Wentworth, Jr., 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).

  • Bellows mechanical seal with inactive diaphragms
    Patent number: 4744569
    Abstract: A bellows type mechanical seal assembly in which the bellows is provided with inactive or non-functional diaphragms to increase the pressure capacity of the seal assembly.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: May 17, 1988
    Assignee: BW/IP International, Inc.
    Inventors: Robert S. Wentworth, Jr., deceased, by Benning Wentworth, executor