Patents by Inventor Jeffrey David Watkins

Jeffrey David Watkins 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).

  • Adjustable sanitary impeller hub
    Patent number: 8292591
    Abstract: An adjustable sanitary impellor hub device having a hub, a tapered, split collet, a locking collar and multiple seals. Impeller blades are attached to a hub that may be slid over an agitator shaft to a desired position. A tapered, split collet engages with a tapered inner cylindrical bore of the locking collar as the locking collar and hub are forced together, clamping the collet to shaft. At the same time, the outer surface of the locking collar engages with the hub, locking all three elements to the shaft. The multiple soft seals ensure that there are no dead spaces.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: October 23, 2012
    Assignee: New Brunswick Scientific Co., Inc.
    Inventors: Michael John Leso, Jeffrey David Watkins
  • ADJUSTABLE SANITARY IMPELLER HUB
    Publication number: 20100178170
    Abstract: An adjustable sanitary impellor hub device having a hub, a tapered, split collet, a locking collar and multiple seals. Impeller blades are attached to a hub that may be slid over an agitator shaft to a desired position. A tapered, split collet engages with a tapered inner cylindrical bore of the locking collar as the locking collar and hub are forced together, clamping the collet to shaft. At the same time, the outer surface of the locking collar engages with the hub, locking all three elements to the shaft. The multiple soft seals ensure that there are no dead spaces.
    Type: Application
    Filed: May 23, 2008
    Publication date: July 15, 2010
    Applicant: NEW BRUNSWICK SCIENTIFIC COMPANY, INC.
    Inventors: Michael John Leso, Jeffrey David Watkins