Patents by Inventor Mark Wilf

Mark Wilf 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 sampling device
    Patent number: 5905197
    Abstract: A membrane sampling device for use in a membrane filtration system having one or more pressure vessels for determining whether a filter membrane elements are performing properly or need replacement. The membrane sampling device is adapted to test operating conditions and to provide performance indicia in RO/UF systems without removal of filter membrane elements from the pressure vessel. A testing system is also provided that provides an improved means for testing multiple membrane sampling devices.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: May 18, 1999
    Assignee: Hydranautics, Inc.
    Inventor: Mark Wilf