Patents by Inventor Paul D. Osmundson

Paul D. Osmundson 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).

  • Externally Centering Filter Element or Cartridge and Housing and System Utilizing the Same
    Publication number: 20090188856
    Abstract: A filter assembly for filtering contaminants from any fluid stream. The housing of the filter assembly is preferably made of any metal and/or polymer, and can hold one or two externally centering filter elements or cartridges, each of which can hold a single filter, or multiple filters. Flow in filter housings having two externally centering filter elements or cartridges can be unidirectional or opposed.
    Type: Application
    Filed: March 10, 2009
    Publication date: July 30, 2009
    Inventors: Robb Benson, John H. Burban, Mohammad I. Farooq, Paul D. Osmundson, Mathews J. Thundyil
  • Flow control manifold for cross-flow membrane system
    Patent number: 4741823
    Abstract: A cross flow membrane system for separating feed water into a concentrate stream and a permeate stream which includes a cross-flow membrane module, a pump for pressurizing feed water for supply to the module and a flow control manifold block having a permeate, a concentrate bore and a concentrate orifice for controlling the flow of concentrate from the system and the operating pressure within the cross-flow membrane module. The manifold block simplifies the manufacture, operation and maintenance of the system and allows elimination of many of the tubes, hoses and valves which are commonly required in prior art systems.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: May 3, 1988
    Assignee: Osmonics, Inc.
    Inventors: Douglas L. Olsen, Paul D. Osmundson, Keith G. McLaughlin