Patents by Inventor Stephen B. Yacura

Stephen B. Yacura 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).

  • Particulate solid fuel combustion system
    Patent number: 4250816
    Abstract: The application discloses a particulate solid fuel combustion system for kilns and the like. A particulate solid fuel such as powdered coal, is supplied to a fluidized bed conveyor. Selected quantities of coal are withdrawn to air entrainment devices where the coal is entrained in a jet of a gas and delivered to a burner. The firing rate is controlled responsive to requirements of the kiln.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: February 17, 1981
    Assignee: Pullman Incorporated, Pullman Swindell Division
    Inventors: John S. Angevine, Scott W. Frame, Stephen B. Yacura
  • Roller dryer for clay pipe
    Patent number: 4083119
    Abstract: A roller dryer for clay pipe comprised of a support means for transporting pipe through a tunnel dryer and roller carriage means for rotating the pipe to achieve uniform drying thereof. The roller dryer can accommodate pipes of different lengths and diameters while maintaining the lineality and concentricity of the pipe sections.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: April 11, 1978
    Assignee: Pullman Incorporated, Pullman Swindell Division
    Inventor: Stephen B. Yacura