Patents by Inventor David M. Trice

David M. Trice 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).

  • Accumulation conveyor
    Patent number: 6889822
    Abstract: A accumulation conveyor has discrete zones which may be selectively actuated by pressurizing an interior cavity, urging diaphragms against spreaders which carry two spaced apart frame members. The frame members carry respective axle retainers which support the ends of axles on which pressure rollers are rotatably disposed. The pressure rollers urge the drive belt against the conveyor rollers.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: May 10, 2005
    Assignee: Intelligrated, Inc.
    Inventors: Ronald G. Wagner, David M. Trice