Patents by Inventor Robert PANNEPACKER

Robert PANNEPACKER 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).

  • Systems, articles, and methods for removing water from hydrocarbon fluids
    Patent number: 9795897
    Abstract: The present invention relates to systems, articles, and methods for removing water from hydrocarbon fluids. In an embodiment, the invention includes a water/fuel separation system including a filter housing and a filter element disposed within the filter housing. The filter element can include a separation article including a porous polymer layer having and a porous substrate comprising a hydrophobic surface. In an embodiment, the invention includes a filter element for separating emulsified water from a hydrocarbon fluid. In an embodiment, the invention includes a method for filtering water out of a hydrocarbon fluid including passing a hydrocarbon fluid through a separation article including a polymer layer comprising polytetrafluoroethylene; and a porous substrate comprising a hydrophobic surface, the polymer layer disposed on the porous substrate.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: October 24, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Chuanfang Yang, Kirit Patel, Robert Pannepacker
  • SYSTEMS, ARTICLES, AND METHODS FOR REMOVING WATER FROM HYDROCARBON FLUIDS
    Publication number: 20080105629
    Abstract: The present invention relates to systems, articles, and methods for removing water from hydrocarbon fluids. In an embodiment, the invention includes a water/fuel separation system including a filter housing and a filter element disposed within the filter housing. The filter element can include a separation article including a porous polymer layer having and a porous substrate comprising a hydrophobic surface. In an embodiment, the invention includes a filter element for separating emulsified water from a hydrocarbon fluid. In an embodiment, the invention includes a method for filtering water out of a hydrocarbon fluid including passing a hydrocarbon fluid through a separation article including a polymer layer comprising polytetrafluoroethylene; and a porous substrate comprising a hydrophobic surface, the polymer layer disposed on the porous substrate.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 8, 2008
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Chuanfang YANG, Kirit PATEL, Robert PANNEPACKER