Patents by Inventor Robert Y. Courtay

Robert Y. Courtay 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).

  • Blender for powdery material
    Patent number: 4534653
    Abstract: A combined storage silo and homogenizing device for powdery materials such as cement raw meal. A silo is divided into an upper storage vessel and a lower homogenizing chamber. The storage silo has a slab floor having a plurality of spaced apart openings therein which serve as outlets for the vessel and communicate with inlets for the homogenizing chamber. The homogenizing chamber includes a small pneumatic blending device having a lateral outlet in its bottom feeding blended material to a column having a top outlet for the device.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: August 13, 1985
    Assignee: Fuller Company
    Inventor: Robert Y. Courtay