Patents by Inventor David T. Robertson

David T. Robertson 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).

  • Interface seal assembly for a tubular filter element
    Patent number: 12011687
    Abstract: An interface seal assembly for sealing a tubular filter element relative to a first component and a second component of a fluid filtration system. The interface seal assembly comprises an body located between the first and second components, and having: an aperture extending through the body for communicating with an internal cavity of the filter element; a first mounting surface comprising a first seal groove; and a second mounting surface opposite the first mounting surface, comprising a second seal groove. One of the first and second seal grooves has a circular shape, and the other has a non-circular shape. A first seal is located in the first seal groove, for sealing the interface body relative to one of the first and second components. A second seal is located in the second seal groove, for sealing the body relative to the other of the first and second components.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: June 18, 2024
    Assignee: Parker Hannifin Manufacturing (UK) Ltd.
    Inventors: Joseph R. Wales, David T. Robertson, Matthew Pearson
  • INTERFACE SEAL ASSEMBLY FOR A TUBULAR FILTER ELEMENT
    Publication number: 20220047986
    Abstract: An interface seal assembly for sealing a tubular filter element relative to a first component and a second component of a fluid filtration system. The interface seal assembly comprises an body located between the first and second components, and having: an aperture extending through the body for communicating with an internal cavity of the filter element; a first mounting surface comprising a first seal groove; and a second mounting surface opposite the first mounting surface, comprising a second seal groove. One of the first and second seal grooves has a circular shape, and the other has a non-circular shape. A first seal is located in the first seal groove, for sealing the interface body relative to one of the first and second components. A second seal is located in the second seal groove, for sealing the body relative to the other of the first and second components.
    Type: Application
    Filed: October 28, 2021
    Publication date: February 17, 2022
    Inventors: Joseph R. Wales, David T. Robertson, Matthew Pearson