Patents by Inventor Glen Petaja

Glen Petaja 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).

  • Filtering apparatus
    Patent number: 5474585
    Abstract: A filtering apparatus includes a filter vessel having an inlet and an outlet for fluid. A tube sheet is disposed within the filter vessel and separates the inlet from the outlet. A plurality of elongated filter elements extend nonvertically from the tube sheet, each filter element having a first end and a second end farther from the tube sheet than the first end and being at a different height than the first end.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: December 12, 1995
    Assignee: Pall Corporation
    Inventors: Stephen Geibel, Ulrich Otto, Glen Petaja, Eric Simonson