Patents by Inventor John Orlin Kirkwood

John Orlin Kirkwood 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).

  • SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS
    Publication number: 20180015406
    Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 18, 2018
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas Miller, Ross Norman Anderson, John Orlin Kirkwood, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Seal Arrangement for Filter Element; Filter Element Assembly; and, Methods
    Publication number: 20090301045
    Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.
    Type: Application
    Filed: November 8, 2006
    Publication date: December 10, 2009
    Applicant: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwood
  • Seal arrangement for filter element; Filter element assembly; and, methods
    Publication number: 20090266041
    Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.
    Type: Application
    Filed: January 14, 2009
    Publication date: October 29, 2009
    Applicant: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Troy Murphy, Donald Raymond Mork, Ross Norman Anderson, Thomas G. Miller, Sheldon Anderson, John Orlin Kirkwood