Patents by Inventor Chadwick Tuttle

Chadwick Tuttle 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).

  • METHOD AND APPARATUS FOR ADJUSTING IMPELLER CLEARANCE IN A PUMP
    Publication number: 20050089397
    Abstract: An impeller clearance adjustment system for providing for a desired clearance between an impeller and a housing by adjusting a spacing (10) between a thrust housing (11) and a frame (12) using a plurality of evenly-spaced shoulder screws (21) locked into a screwed-in position by respective lock nuts (22). A shoulder portion (21a) of each shoulder screw (21) keeps the thrust housing (11) from coming closer to the frame (12) than the adjusted spacing (10).
    Type: Application
    Filed: October 28, 2003
    Publication date: April 28, 2005
    Inventors: Jeremiah Quill, Chadwick Tuttle