Patents by Inventor Peter B. Zenk

Peter B. Zenk 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).

  • Membrane modules and integrated membrane cassettes
    Patent number: 7279215
    Abstract: The invention features integrated membrane assemblies for selectively transferring a constituent to or from a fluid. The assemblies include two or more flat sheet membrane elements and at least one common manifold connected to the interior regions of the membrane elements.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: October 9, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Jonathan F. Hester, David J. Colburn, Michael K. Domroese, Harold T. Freemyer, Robert S. Kody, David F. Slama, Peter B. Zenk