Patents by Inventor E. Alvin Tilley

E. Alvin Tilley 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: 6666628
    Abstract: A pneumatic storage tank for storing, transporting, and discharging pulverulent or powdered material or the like including a tank having a cylindrical side wall and upper and lower concave heads enclosing and sealing opposite ends of the cylindrical side wall, the tank adapted to be supported in a vertical position, a plurality of slope sheets within the tank, the slope sheets being sealed to the cylindrical side wall around the full circumference of the cylindrical side wall, the slope sheets being inclined downwardly from the cylindrical side wall to the central region of the tank adjacent the lower concave head of the tank, a plurality of air slides within the tank, the air slides disposed along the slope sheets between the slope sheets and extending from the cylindrical side wall of the tank downwardly toward the central region of the tank adjacent the lower concave head of the tank, wherein the slope sheets and the air slides separate the tank into an upper compartment and a lower compartment, an inlet p
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: December 23, 2003
    Inventor: E. Alvin Tilley
  • Publication number: 20030223827
    Abstract: A pneumatic storage tank for storing, transporting, and discharging pulverulent or powdered material or the like including a tank having a cylindrical side wall and upper and lower concave heads enclosing and sealing opposite ends of the cylindrical side wall, the tank adapted to be supported in a vertical position, a plurality of slope sheets within the tank, the slope sheets being sealed to the cylindrical side wall around the full circumference of the cylindrical side wall, the slope sheets being inclined downwardly from the cylindrical side wall to the central region of the tank adjacent the lower concave head of the tank, a plurality of air slides within the tank, the air slides disposed along the slope sheets between the slope sheets and extending from the cylindrical side wall of the tank downwardly toward the central region of the tank adjacent the lower concave head of the tank, wherein the slope sheets and the air slides separate the tank into an upper compartment and a lower compartment, an inlet p
    Type: Application
    Filed: May 30, 2002
    Publication date: December 4, 2003
    Inventor: E. Alvin Tilley