Patents by Inventor Nathan T. HANSEN

Nathan T. HANSEN 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).

  • Balanced double seated globe valve with flexible plub
    Patent number: 9677673
    Abstract: A valve plug includes a cylinder, a first plug seat, a second plug seat, and a convoluted portion. The cylinder has a first and second end. The first plug seat is disposed at the first end. The second plug seat is disposed proximal to the second end. The convoluted portion is disposed between the first seat and the second seat. The convoluted portion provides flexibility for the cylinder to flex between the first plug seat and the second plug seat.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: June 13, 2017
    Assignee: SPX Flow, Inc.
    Inventors: David C. Ristau, Nathan T. Hansen
  • Balanced Double Seated Globe Valve With Flexible Plub
    Publication number: 20160102766
    Abstract: A valve plug includes a cylinder, a first plug seat, a second plug seat, and a convoluted portion. The cylinder has a first and second end. The first plug seat is disposed at the first end. The second plug seat is disposed proximal to the second end. The convoluted portion is disposed between the first seat and the second seat. The convoluted portion provides flexibility for the cylinder to flex between the first plug seat and the second plug seat.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 14, 2016
    Inventors: David C. RISTAU, Nathan T. HANSEN