Patents by Inventor Barry D. Graham

Barry D. Graham 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: 8517177
    Abstract: Systems and methods for recovering materials from soil are disclosed. In one embodiment, a system for recovering materials from soil comprises a size separation system, a first magnetic separator, a second magnetic separator, an air classifier/scrubber system, and a non-ferrous metal separator. The system for recovering materials from soil can be configured to separate soil from other recoverable materials, including, for example, rock and gravel aggregates, and/or metals.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: August 27, 2013
    Inventor: Barry D. Graham
  • Publication number: 20110031166
    Abstract: Systems and methods for recovering materials from soil are disclosed. In one embodiment, a system for recovering materials from soil comprises a size separation system, a first magnetic separator, a second magnetic separator, an air classifier/scrubber system, and a non-ferrous metal separator. The system for recovering materials from soil can be configured to separate soil from other recoverable materials, including, for example, rock and gravel aggregates, and/or metals.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Inventor: Barry D. Graham
  • Patent number: 4765468
    Abstract: A field security package for a dosimeter includes two interlocking rigid elements made of a reflective polyvinyl chloride material in which a dosimeter is positioned. The elements collectively providing a spiral wound grid surface to provide adequate ventilation, simultaneously a cover to prevent ingress of moisture, a reflective surface for heat and a radiation pervious material. The two elements of the security package can be interlocked together with the link of a chain for secure mounting from support means.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: August 23, 1988
    Inventor: Barry D. Graham
  • Patent number: D296521
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: July 5, 1988
    Inventor: Barry D. Graham