Patents by Inventor Richard L. Bucholtz
Richard L. Bucholtz 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: 11185810Abstract: 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: GrantFiled: January 16, 2020Date of Patent: November 30, 2021Assignee: 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: 20200254376Abstract: 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: ApplicationFiled: January 16, 2020Publication date: August 13, 2020Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
-
Patent number: 10556202Abstract: 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: GrantFiled: September 14, 2017Date of Patent: February 11, 2020Assignee: 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: 20180126317Abstract: 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: ApplicationFiled: September 14, 2017Publication date: May 10, 2018Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
-
Patent number: 9782713Abstract: 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: GrantFiled: September 15, 2015Date of Patent: October 10, 2017Assignee: 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: 20160136562Abstract: 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: ApplicationFiled: September 15, 2015Publication date: May 19, 2016Inventors: Larry R. Nepsund, Bradley a. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
-
Patent number: 9162172Abstract: 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: GrantFiled: September 10, 2013Date of Patent: October 20, 2015Assignee: 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: 20140102057Abstract: 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: ApplicationFiled: September 10, 2013Publication date: April 17, 2014Applicant: 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: 8562707Abstract: 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: GrantFiled: June 25, 2012Date of Patent: October 22, 2013Assignee: 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: 20120272627Abstract: 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: ApplicationFiled: June 25, 2012Publication date: November 1, 2012Applicant: 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: 8206479Abstract: 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: GrantFiled: August 22, 2011Date of Patent: June 26, 2012Assignee: 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: 20110296665Abstract: 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: ApplicationFiled: August 22, 2011Publication date: December 8, 2011Applicant: 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: 8002869Abstract: 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: GrantFiled: December 21, 2009Date of Patent: August 23, 2011Assignee: Donaldson Company, Inc.Inventors: Larry Nepsund, Bradley Kuempel, Donald P. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
-
Publication number: 20100095642Abstract: 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: ApplicationFiled: December 21, 2009Publication date: April 22, 2010Applicant: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donadl F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
-
Patent number: 7635403Abstract: 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: GrantFiled: June 9, 2008Date of Patent: December 22, 2009Assignee: 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: 20080271423Abstract: 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: ApplicationFiled: June 9, 2008Publication date: November 6, 2008Applicant: 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: 7396375Abstract: An air cleaner (40) includes a housing (48) and an access cover. The internal volume of the housing (48) can be reached through an opening (70) in a side wall of the housing. A filter element (50) having fluted filter media is removable and replaceable from the air cleaner (40). The housing is constructed and arranged to cam the element (50) into sealing engagement with the housing (48). 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: GrantFiled: May 8, 2003Date of Patent: July 8, 2008Assignee: Donaldson Company, Inc.Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren