Patents by Inventor Arlington D. Ruff

Arlington D. Ruff 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).

  • Material handling apparatus
    Patent number: 7871070
    Abstract: A conveyor conveys sheets and deposits the sheets at a location to be stacked. The conveyor includes a sensor for determining the presence of a sheet before the sheet arrives at the location. A controller is coupled to the sensor and responsive to sensor inputs for controlling a movable support for projecting into a projected orientation to receive the sheets as the sheets exit the conveyor. The movable support moves to a retracted orientation to assist a stack to be withdrawn therefrom.
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: January 18, 2011
    Assignee: Padana AG
    Inventors: Arlington D. Ruff, Clifford A. Ruff, Jürgen F. Trost
  • Material handling apparatus
    Patent number: 7673743
    Abstract: A conveyor conveys sheets and deposits the sheets at a location to be stacked. The conveyor includes a sensor for determining the presence of a sheet before the sheet arrives at the location. A controller is coupled to the sensor and responsive to sensor inputs for controlling a movable support for projecting into a projected orientation to receive the sheets as the sheets exit the conveyor. The movable support moves to a retracted orientation to assist a stack to be withdrawn therefrom.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: March 9, 2010
    Assignee: Padana AG
    Inventors: Arlington D. Ruff, Clifford A. Ruff, Jürgen F. Trost
  • Material Handling Apparatus
    Publication number: 20080135379
    Abstract: A conveyor conveys sheets and deposits the sheets at a location to be stacked. The conveyor includes a sensor for determining the presence of a sheet before the sheet arrives at the location. A controller is coupled to the sensor and responsive to sensor inputs for controlling a movable support for projecting into a projected orientation to receive the sheets as the sheets exit the conveyor. The movable support moves to a retracted orientation to assist a stack to be withdrawn therefrom.
    Type: Application
    Filed: March 10, 2005
    Publication date: June 12, 2008
    Inventors: Arlington D. Ruff, Clifford A. Ruff, Jurgen F. Trost