Patents by Inventor Frederic Lichtenberger

Frederic Lichtenberger 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).

  • Lateral operator restraint system and position sensor for material handler
    Patent number: 6902024
    Abstract: A self-propelled material handler has a pivotally mounted boom on a frame, and a cab that is positioned adjacent the side of the boom. The cab has an operator's entrance and exit opening on a side of the cab, that is positioned to permit an operator to enter and exit the cab and sit on a seat in the cab. A lateral restraint bar is mounted between the seat and the cab opening, and is movable to a working position where it obstructs the cab opening so that portions of the operator cannot be moved outwardly through the cab side opening from the interior, and which pivots to a raised position to permit an operator to pass through the cab opening. When the restraint bar moves away from its working position, a signal is provided to disable machine controls.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: June 7, 2005
    Assignee: Clark Equipment Company
    Inventors: Kevin J. Miiller, Daniel J. Krieger, William H. Curl, Bernard Poncet, Frederic Lichtenberger
  • Lateral operator restraint system and position sensor for material handler
    Publication number: 20040099461
    Abstract: A self-propelled material handler has a pivotally mounted boom on a frame, and a cab that is positioned adjacent the side of the boom. The cab has an operator's entrance and exit opening on a side of the cab, that is positioned to permit an operator to enter and exit the cab and sit on a seat in the cab. A lateral restraint bar is mounted between the seat and the cab opening, and is movable to a working position where it obstructs the cab opening so that portions of the operator cannot be moved outwardly through the cab side opening from the interior, and which pivots to a raised position to permit an operator to pass through the cab opening. When the restraint bar moves away from its working position, a signal is provided to disable machine controls.
    Type: Application
    Filed: February 28, 2003
    Publication date: May 27, 2004
    Inventors: Kevin J. Miiller, Daniel J. Krieger, William H. Curl, Bernard Poncet, Frederic Lichtenberger