Patents by Inventor Dennis Frederick

Dennis Frederick 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).

  • Moving racks that support heavy materials
    Patent number: 6505900
    Abstract: A storage rack with vertically arranged, horizontal drawers movable by a crank mechanism is provided. Each individual drawer of the storage rack has a gear mechanism which is connected to a drive shaft with wheels. A crank handle is provided to engage the gear mechanism of any individual drawer and provide motive force to the drive shaft. The rotation of the crank causes the drive shaft to rotate and, in turn, rotates the wheels. The wheels travel along respective track members attached the storage rack to move a drawer in and out relative to the storage rack.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: January 14, 2003
    Assignee: Steel Storage Systems, Inc.
    Inventor: Dennis Frederick
  • Moving racks that support heavy materials
    Publication number: 20020096982
    Abstract: A storage rack with vertically arranged, horizontal drawers movable by a crank mechanism is provided. Each individual drawer of the storage rack has a gear mechanism which is connected to a drive shaft with wheels. A crank handle is provided to engage the gear mechanism of any individual drawer and provide motive force to the drive shaft. The rotation of the crank causes the drive shaft to rotate and, in turn, rotates the wheels. The wheels travel along respective track members attached the storage rack to move a drawer in and out relative to the storage rack.
    Type: Application
    Filed: January 24, 2001
    Publication date: July 25, 2002
    Inventor: Dennis Frederick