Patents by Inventor Erik Zatterstrand

Erik Zatterstrand 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).

  • Multi-port free flow valve and element
    Publication number: 20080237528
    Abstract: A multi-port valve arrangement and removable valve element for use in sanitary environments that comprises at least three ports formed by the joining of at least two valve casing bodies at angles necessary to accommodate multiple connecting fluid streams. A seamless, flexible element is used within the valve arrangement to connect the fluid streams. The valve casings may be hinged on one side to permit removal of the top portion of the valve casings and removal/exchange of the flexible element without complete disassembly of the valve casing and without the use of tools.
    Type: Application
    Filed: June 9, 2008
    Publication date: October 2, 2008
    Inventors: Steven D. Welch, Robert J. Elbich, Erik Zatterstrand