Patents by Inventor David F. Haskell

David F. Haskell 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).

  • Article elevator
    Patent number: 7543698
    Abstract: The present invention relates to an article elevator for moving lightweight open ended containers from a first level to a second level vertically spaced from the first level. The article elevator includes an input section at the first level for receiving container bodies. An elevator section is positioned for receiving container bodies from the input section. A discharge section is located at the second level for receiving container bodies from the elevator section. A plurality of arms is movably mounted above the input section, the elevator section, and the discharge section. Each of the arms moves a group of container bodies from the input section over the elevator section to the discharge section so that successive groups of container bodies are moved to the discharge section from the input section.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: June 9, 2009
    Assignee: Container Handling Systems, Inc.
    Inventor: David F. Haskell
  • Article elevator
    Publication number: 20080253873
    Abstract: The present invention relates to an article elevator for moving lightweight open ended containers from a first level to a second level vertically spaced from the first level. The article elevator includes an input section at the first level for receiving container bodies. An elevator section is positioned for receiving container bodies from the input section. A discharge section is located at the second level for receiving container bodies from the elevator section. A plurality of arms is movably mounted above the input section, the elevator section, and the discharge section. Each of the arms moves a group of container bodies from the input section over the elevator section to the discharge section so that successive groups of container bodies are moved to the discharge section from the input section.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 16, 2008
    Inventor: David F. Haskell