Patents by Inventor Floyd C. Phalen

Floyd C. Phalen 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).

  • Tensioning device for drag conveyor
    Patent number: 7980384
    Abstract: An automatic chain tensioner for a tubular drag conveyor tensions the conveyor chain hydraulically utilizing an air-over-oil hydraulic system. A hydraulic cylinder acts on chain idler sprocket to tension the chain.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: July 19, 2011
    Assignee: Hapman, Inc.
    Inventor: Floyd C. Phalen
  • Tensioning device for drag conveyor
    Publication number: 20100276259
    Abstract: An automatic chain tensioner for a tubular drag conveyor tensions the conveyor chain hydraulically utilizing an air-over-oil hydraulic system. A hydraulic cylinder acts on chain idler sprocket to tension the chain.
    Type: Application
    Filed: April 30, 2009
    Publication date: November 4, 2010
    Inventor: Floyd C. Phalen