Patents by Inventor Lance D. Johnson

Lance D. Johnson 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).

  • ELEMENT LOADING MECHANISM AND METHOD
    Publication number: 20080308504
    Abstract: A loader for moving a filter element between loaded and unloaded positions with respect to a pressure vessel is provided. The loader includes a connection section associated with a loader section. The connection section is operative to be secured in coaxial alignment with the pressure vessel. The loader section is operative to receive a filter element and move the filter element between the loaded and unloaded positions. The loader section includes a cradle assembly for supporting a filter element and a carriage assembly operative to engage the filter element and move it between the loaded and unloaded positions.
    Type: Application
    Filed: October 15, 2007
    Publication date: December 18, 2008
    Inventors: Matthew J. Hallan, Jon E. Johnson, Martin H. Peery, Lance D. Johnson