Patents by Inventor Stuart E. Hayden

Stuart E. Hayden 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).

  • Flood protection sewer backflow control valve and adapter assembly
    Patent number: 5775365
    Abstract: The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means for opening and closing the valve as needed to ensure flood waters do not backflow into the basement during flooding. The valve and adapter may also be utilized in combination with an in-line check valve. The adapter provides a flush surface with the basement floor.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: July 7, 1998
    Assignee: Nibco, Inc.
    Inventors: Stuart E. Hayden, Douglas A. Kieper, George H. Hunt
  • Flood protection sewer backflow control valve and adapter assembly
    Patent number: 5577531
    Abstract: The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means for opening and closing the valve as needed to ensure flood waters do not backflow into the basement during flooding. The valve and adapter may also be utilized in combination with an in-line check valve. The adapter provides a flush surface with the basement floor.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: November 26, 1996
    Assignee: Nibco, Inc.
    Inventors: Stuart E. Hayden, Douglas A. Kieper, George H. Hunt