Patents by Inventor Dennis C. Christopherson

Dennis C. Christopherson 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).

  • Combined ejector-gate means for rotatable table of an article counter-stacker
    Patent number: 4068567
    Abstract: An oscillating stack receiving table carries thereon a pair of cooperating chain driven ejector assemblies which function in their "at rest" position as gates to stabilize the stack of articles during rotation of the table and which are operable to sweep across the table when the latter is "at rest" to eject the stack of articles from the table onto associated take-away conveyor apparatus.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: January 17, 1978
    Assignee: Cutler-Hammer, Inc.
    Inventors: Arthur F. Allison, Dennis C. Christopherson, Byron L. Mays, Reginald A. Reed