Patents by Inventor Walter Max Lowe

Walter Max Lowe 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).

  • Isolating damper for closing a duct
    Patent number: 3951130
    Abstract: An isolating valve or damper for the gas-tight closure of a flue or duct, comprising a frame or housing fitted in the flue or duct and a closure member operable between an open position and a closed position in which the member closes the flue or duct, wherein the closure member is a lightweight low inertia body, preferably a cone or a sphere, and wherein the closure member may be moved between its open and closed positions by means of a rapid-acting operator.
    Type: Grant
    Filed: November 14, 1973
    Date of Patent: April 20, 1976
    Assignee: Thermo-Technical Development Limited
    Inventor: Walter Max Lowe