Patents by Inventor Sheldon Anderson

Sheldon Anderson 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: 11185810
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: November 30, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Publication number: 20200254376
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: January 16, 2020
    Publication date: August 13, 2020
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Patent number: 10556202
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: February 11, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Publication number: 20180126317
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: September 14, 2017
    Publication date: May 10, 2018
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Patent number: 9782713
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: October 10, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Publication number: 20160136562
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: September 15, 2015
    Publication date: May 19, 2016
    Inventors: Larry R. Nepsund, Bradley a. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Patent number: 9162172
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: October 20, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Publication number: 20140102057
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: September 10, 2013
    Publication date: April 17, 2014
    Applicant: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • Patent number: 8562707
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: October 22, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • 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
  • Publication number: 20120272627
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: June 25, 2012
    Publication date: November 1, 2012
    Applicant: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • Patent number: 8206479
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: June 26, 2012
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • Publication number: 20110296665
    Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.
    Type: Application
    Filed: August 22, 2011
    Publication date: December 8, 2011
    Applicant: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren