Patents by Inventor Michael J. Doxey

Michael J. Doxey 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).

  • Patent number: 9868590
    Abstract: A method for forming a sealed floating roof for a storage tank is disclosed. A plurality of roof panels are positioned adjacent to one another such that respective depressions of adjacent roof panels disposed adjacent to one another form a walled trough at interconnections of the plurality of roof panels. A self-propelled automatic welder is positioned and guided within the walled trough to make a weld joint at the walled trough, and thus forming the sealed floating roof.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: January 16, 2018
    Assignee: HMT LLC
    Inventors: Michael J. Doxey, Richard P. King
  • Publication number: 20150175349
    Abstract: A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Inventors: Michael J. Doxey, Richard P. King
  • Patent number: 8973771
    Abstract: A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: March 10, 2015
    Assignee: HMT LLC
    Inventors: Michael J. Doxey, Richard P. King
  • Publication number: 20130284740
    Abstract: A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof.
    Type: Application
    Filed: June 27, 2013
    Publication date: October 31, 2013
    Inventors: Michael J. Doxey, Richard P. King
  • Publication number: 20090223957
    Abstract: A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 10, 2009
    Inventors: Michael J. Doxey, Richard King