Patents by Inventor Kirk A. Schnieder

Kirk A. Schnieder 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).

  • Filter assembly with pleated media V-packs, and methods
    Patent number: 7311747
    Abstract: A generally cylindrical filter element incorporating nonsymmetrical or asymmetrical V-pleated media. The V-pleated media provides increased filter media per given filter volume, extended filter life, and a smaller filter for equivalent filter life. A smaller filter is generally beneficial for some applications such as aircraft, due to its lower weight. Various features of the filter include asymmetric variable pleat heights applied to a cylindrical or obround filter; defined pleat spacing applied to a variable pleat height element; optimal pleat density; and optimal shape of inlet and outlet.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: December 25, 2007
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel Eric Adamek, Michael Jon Gustafson, Jarren B. Mills, Kirk A. Schnieder, Marilyn D. Welch
  • Filter assembly with pleated media V-packs, and methods
    Publication number: 20050144916
    Abstract: A generally cylindrical filter element incorporating nonsymmetrical or asymmetrical V-pleated media. The V-pleated media provides increased filter media per given filter volume, extended filter life, and a smaller filter for equivalent filter life. A smaller filter is generally beneficial for some applications such as aircraft, due to its lower weight. Various features of the filter include asymmetric variable pleat heights applied to a cylindrical or obround filter; defined pleat spacing applied to a variable pleat height element; optimal pleat density; and optimal shape of inlet and outlet.
    Type: Application
    Filed: October 14, 2004
    Publication date: July 7, 2005
    Inventors: Daniel Adamek, Michael Gustafson, Jarren Mills, Kirk Schnieder, Marilyn Welch