Patents by Inventor David G. Sandison

David G. Sandison 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).

  • Printing press coupler accumulator
    Patent number: 6016747
    Abstract: A sheet accumulator for advancing successive sheets between first and second color printing presses comprising an accumulator sheet conveyor for advancing sheets from one press to the other press, a sheet lifter at the conveyor to lift a first sheet and thereby enable the sheet conveyor to advance a second sheet beneath the first sheet, and a sheet sensor at the conveyor, operably associated with the sheet lifter to actuate and deactuate the sheet lifter based on the position of the sheet.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: January 25, 2000
    Assignee: BecMar Corp.
    Inventors: Gregory M. Beduhn, David G. Sandison