Patents by Inventor Randall M. Ragan

Randall M. Ragan 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: 9666317
    Abstract: A radiation attenuation shield, method, and system are disclosed. The shield includes a polymer, a radiation attenuating material, and a magnetic material. The radiation attenuating material and the magnetic material may be dispersed within the polymer to form an attenuation layer. Further, a magnetic material layer may be positioned adjacent to the attenuation layer or encase the attenuation layer. The radiation attenuation shield may be made by combining the components to create a mixture and then inserting the mixture in a mold until a solidified shape is formed. Moreover, the radiation attenuation shield of the present invention may be mechanically secured to a structure to contain radiation. Further, the shield may be secured to a structure by using the magnetic properties of the shield.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 30, 2017
    Assignee: American Ceramic Technology, Inc.
    Inventors: Richard V Culbertson, Randall M Ragan, Joseph J Stupak
  • Publication number: 20150287486
    Abstract: A radiation attenuation shield, method, and system are disclosed. The shield includes a polymer, a radiation attenuating material, and a magnetic material. The radiation attenuating material and the magnetic material may be dispersed within the polymer to form an attenuation layer. Further, a magnetic material layer may be positioned adjacent to the attenuation layer or encase the attenuation layer. The radiation attenuation shield may be made by combining the components to create a mixture and then inserting the mixture in a mold until a solidified shape is formed. Moreover, the radiation attenuation shield of the present invention may be mechanically secured to a structure to contain radiation. Further, the shield may be secured to a structure by using the magnetic properties of the shield.
    Type: Application
    Filed: April 2, 2015
    Publication date: October 8, 2015
    Applicant: AMERICAN CERAMIC TECHNOLOGY, INC.
    Inventors: RICHARD V. CULBERTSON, RANDALL M. RAGAN, JOSEPH J. STUPAK
  • Patent number: 7740682
    Abstract: An improved composite material, and method of manufacture thereof, comprising varying amounts tungsten powder, or metal/alloy powder of similar density, and clay or silicone is disclosed. The improved composite material may be useful as a replacement for lead and lead-based composites where similar densities are required but the use of lead is undesirable. The disclosed composite material permits a large variety of tungsten powder particle sizes to be utilized and results in improved ductility over known tungsten powder composites.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: June 22, 2010
    Inventors: Randall C. Ragan, Randall M. Ragan, Richard Vaughn Culbertson