Patents by Inventor Ralph W. Bardine

Ralph W. Bardine 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).

  • Publication number: 20120147513
    Abstract: A portable, in-line conveyor grounding system includes an electrically conductive metal pipe having a material flow section, with an inner diameter greater than that of an inlet and outlet, and a metallic grating disposed in the material flow section. An inlet attachment device and an outlet attachment device, as well as an electrically conductive wire with a grounding clamp, is provided. An electrically insulating wrapping is wrapped about the conductive wire and electrically conductive pipe, with a section of the wire having the grounding clamp exposed.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 14, 2012
    Inventors: Carl P. Laird, Ralph W. Bardine
  • Patent number: 7241337
    Abstract: A stone matrix asphalt for use as a paving composition, containing lime kiln dust as a mineral filler. The lime kiln dust results from production of lime from limestone in a kiln and contains available calcium oxide in an amount of less than forty percent by weight.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: July 10, 2007
    Assignee: Carmeuse North America Services, Inc.
    Inventors: Ralph W. Bardine, Lawrence W. Cole, James V. Derby