Patents by Inventor Bruce Allen Boehrs

Bruce Allen Boehrs 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).

  • Publication number: 20100132321
    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 pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing.
    Type: Application
    Filed: February 1, 2010
    Publication date: June 3, 2010
    Applicant: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas John Lundgren
  • Publication number: 20100095642
    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: December 21, 2009
    Publication date: April 22, 2010
    Applicant: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donadl F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard L. Bucholtz, Thomas John Lundgren
  • Publication number: 20100043366
    Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. A preferred projection/receiver arrangement is described. Methods of assembly and use are also provided.
    Type: Application
    Filed: October 10, 2006
    Publication date: February 25, 2010
    Applicant: Donaldson Company, Inc.
    Inventors: Bruce Allen Boehrs, Paul Anthony Wendt
  • Patent number: 7655074
    Abstract: 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. The housing (48) 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 pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: February 2, 2010
    Assignee: Donaldson Company, Inc.
    Inventors: Larry R. Nepsund, Bradley A. Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas John Lundgren
  • Patent number: 7635403
    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 9, 2008
    Date of Patent: December 22, 2009
    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: 7625419
    Abstract: An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: December 1, 2009
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Gregory L. Reichter, Bruce Allen Boehrs, Paul Anthony Wendt
  • Publication number: 20080276582
    Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges.
    Type: Application
    Filed: June 10, 2005
    Publication date: November 13, 2008
    Inventors: Bruce Allen Boehrs, Paul Anthony Wendt, Gregory L. Reichter, Stephen W. Sabelko
  • Publication number: 20080271423
    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 9, 2008
    Publication date: November 6, 2008
    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: 7396375
    Abstract: 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: Grant
    Filed: May 8, 2003
    Date of Patent: July 8, 2008
    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: 20070261374
    Abstract: An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.
    Type: Application
    Filed: January 10, 2007
    Publication date: November 15, 2007
    Inventors: Benny Kevin Nelson, Gregory L. Reichter, Bruce Allen Boehrs, Paul Anthony Wendt
  • Patent number: 6419718
    Abstract: An air cleaner assembly is provided. The air cleaner assembly includes preferred one-piece cover/filter element construction. A method for manufacturing a preferred cover assembly with a filter element construction nondetachably secured thereto, is provided.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: July 16, 2002
    Assignee: Donaldson Company, Inc.
    Inventors: Jerry John Klug, William Michael Nyman, Bruce Allen Boehrs
  • Patent number: D467654
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: December 24, 2002
    Assignee: Donaldson Company, Inc.
    Inventors: Jerry John Klug, William Michael Nyman, Bruce Allen Boehrs
  • Patent number: D481101
    Type: Grant
    Filed: November 7, 2002
    Date of Patent: October 21, 2003
    Assignee: Donaldson Company, Inc.
    Inventors: Bruce Allen Boehrs, Randy Clayton Bourget
  • Patent number: D485339
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: January 13, 2004
    Assignee: Donaldson Company, Inc.
    Inventors: Jerry John Klug, William Michael Nyman, Bruce Allen Boehrs
  • Patent number: D600790
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: September 22, 2009
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Gregory L. Reichter, Bruce Allen Boehrs, Paul Anthony Wendt