Patents by Inventor Alistair Tobias Waddell

Alistair Tobias Waddell 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).

  • Intervane burners
    Patent number: 3932110
    Abstract: An apparatus comprising a number of rotatable vanes, situated around the periphery of an annular duct, which can be opened and closed so as to control the flow of gas entering the duct. The axis of rotation of the vanes is parallel with the axis of the duct. The vanes are divided into groups, each vane of a group being connected to another vane of that group and each group of vanes being connected to a common drive means so that rotation of the drive means causes the vanes to open or close in unison.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: January 13, 1976
    Assignee: Foster Wheeler Energy Corporation
    Inventor: Alistair Tobias Waddell