Patents by Inventor by Benning Wentworth, executor

by Benning Wentworth, executor 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
  • 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