Patents by Inventor John T. Buttell

John T. Buttell 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).

  • Flue gas diverter damper seal land
    Patent number: 8127795
    Abstract: A diverter damper seal land for installation in a flue gas duct defined by a casing wall, the diverter damper seal land includes: a front seal land and a rear seal land, the front seal land is mountable in the duct by a connection between the base edge and the casing wall and the rear seal land is connected at its base edge to the inner edge of the front seal land and spaced back and radially inwardly from the front seal such that it protrudes radially inwardly behind the front seal land. Another diverter damper seal land assembly includes: a seal land including a front seal land and a rear seal land; a first gusset; and a second gusset spaced from the first gusset, the first and second gussets connected to the casing wall and positioned at the back side of the front seal land to support the seal land in an operative position in the duct.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: March 6, 2012
    Assignee: Atco Structures & Logistics Ltd.
    Inventors: John T. Buttell, Edward P. Chan, Donald Robert Gabriel, Zhen Hu, Zoran Nikodinoski
  • FLUE GAS DIVERTER DAMPER SEAL LAND
    Publication number: 20110140372
    Abstract: A diverter damper seal land for installation in a flue gas duct defined by a casing wall, the diverter damper seal land includes: a front seal land and a rear seal land, the front seal land is mountable in the duct by a connection between the base edge and the casing wall and the rear seal land is connected at its base edge to the inner edge of the front seal land and spaced back and radially inwardly from the front seal such that it protrudes radially inwardly behind the front seal land. Another diverter damper seal land assembly includes: a seal land including a front seal land and a rear seal land; a first gusset; and a second gusset spaced from the first gusset, the first and second gussets connected to the casing wall and positioned at the back side of the front seal land to support the seal land in an operative position in the duct.
    Type: Application
    Filed: December 15, 2009
    Publication date: June 16, 2011
    Applicant: ATCO NOISE MANAGEMENT LTD.
    Inventors: JOHN T. BUTTELL, EDWARD P. CHAN, DONALD ROBERT GABRIEL, ZHEN HU, ZORAN NIKODINOSKI