Patents by Inventor Fredric Prill

Fredric Prill 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).

  • Adjustable inlet for recycle asphalt pavement
    Publication number: 20070041265
    Abstract: A dryer (10) for an asphalt plant is disclosed. In one embodiment, the dryer (10) includes a generally cylindrical drum (12); a burner (20) having a burner head (22) at least partially disposed within the drum (12); a feeder (26) attached to a stationary portion of the dryer (10) for providing a recycled asphalt pavement; and an adjustable inlet (28) for introducing the recycled asphalt pavement from the feeder (26) into the drum (12) at a desired position. The adjustable inlet (28) is adjustable laterally between at least two positions.
    Type: Application
    Filed: August 22, 2005
    Publication date: February 22, 2007
    Inventors: Bruce Dillman, Fredric Prill