Patents by Inventor William Hunter Pollock

William Hunter Pollock 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: 4031861
    Abstract: A "package-type" boiler fired by pulverized coal that is adapted to be constructed and assembled in a shop then shipped as a completed unit to a given plant site. The boiler is provided with tube walls extending between longitudinally disposed drums that simultaneously provide optimum heat transfer along with internal support. The walls are bent to a configuration that imparts to the boiler a hopper-shaped bottom wall on opposite sides of an elongate throat through which solid products of combustion may be discharged.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: June 28, 1977
    Assignee: Combustion Engineering, Inc.
    Inventor: William Hunter Pollock
  • Patent number: 4013045
    Abstract: A coal fired steam generating boiler of high thermal capacity that is shop assembled and transported as a complete unit for installation at a given site. The boiler includes a pulverized coal burner at opposite ends thereof and an intermediate tube bank section that is adapted to increase the capacity of the shop assembled unit. Alternatively, the arrangement may be used with oil or gas fired burners at opposite ends thereof to achieve a maximum capacity in a minimum of space.
    Type: Grant
    Filed: April 28, 1976
    Date of Patent: March 22, 1977
    Assignee: The Air Preheater Company, Inc.
    Inventor: William Hunter Pollock