Patents by Inventor Chong-Kim Foo

Chong-Kim Foo 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).

  • Patent number: 5700304
    Abstract: A filter element is provided. The filter element generally includes a first liner, a region of filter media positioned downstream from the first liner and a screen arrangement positioned along a portion of the first liner downstream surface and oriented to block a portion of the first liner to flow directly therethrough and into a portion of the filter media directly associated therewith. Preferred elements are generally cylindrical, having expanded metal outer and inner liners with pleated paper media positioned therebetween. The preferred screen arrangement includes a polymeric sleeve, partially embedded in one of the end caps. Also according to the invention an overall filter arrangement or assembly is provided. Such an assembly includes the filter element as well as a housing and a precleaner arrangement.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: December 23, 1997
    Assignee: Donaldson Company, Inc.
    Inventor: Chong-Kim Foo