Patents by Inventor John Orlin Kirkwold

John Orlin Kirkwold 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
    Patent number: 11117085
    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: Grant
    Filed: December 9, 2019
    Date of Patent: September 14, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS
    Publication number: 20200222846
    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: December 9, 2019
    Publication date: July 16, 2020
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Seal arrangement for filter element; filter element assembly; and, methods
    Patent number: 10507423
    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: Grant
    Filed: June 30, 2017
    Date of Patent: December 17, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Seal arrangement for filter element; filter element assembly; and, methods
    Patent number: 9718021
    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: Grant
    Filed: February 2, 2015
    Date of Patent: August 1, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS
    Publication number: 20150343364
    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: February 2, 2015
    Publication date: December 3, 2015
    Applicant: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Seal arrangement for filter element; filter element assembly; and, methods
    Patent number: 8945268
    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: Grant
    Filed: April 1, 2013
    Date of Patent: February 3, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Seal arrangement for filter element; filter element assembly; and, methods
    Patent number: 8409316
    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: Grant
    Filed: November 8, 2006
    Date of Patent: April 2, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf