Patents by Inventor David Charles Shepherd

David Charles Shepherd 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: 7963387
    Abstract: Material handling apparatus (10) for collecting and handling particulate material such as particulate coal, the apparatus (10) comprising an elongated hollow conveyor housing (19) along which an endless chain (43) extends, the chain (43) carrying a plurality of transverse flights (44), the housing (19) being supported adjustably on a mobile chassis (11), and a materials collection head (31) at one end of the housing (19) which includes augers (38) for directing particulate material towards a central portion of the head (31) for engagement by the flights (44) which convey the collected materials along the housing (10) to an outlet (21).
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: June 21, 2011
    Inventors: Keith Leslie Carmody, David Charles Shepherd
  • Publication number: 20090178898
    Abstract: Material handling apparatus (10) for collecting and handling particulate material such as particulate coal, the apparatus (10) comprising an elongated hollow conveyor housing (19) along which an endless chain (43) extends, the chain (43) carrying a plurality of transverse flights (44), the housing (19) being supported adjustably on a mobile chassis (11), and a materials collection head (31) at one end of the housing (19) which includes augers (38) for directing particulate material towards a central portion of the head (31) for engagement by the flights (44) which convey the collected materials along the housing (10) to an outlet (21).
    Type: Application
    Filed: June 6, 2007
    Publication date: July 16, 2009
    Inventors: Keith Leslie Carmody, David Charles Shepherd