Patents by Inventor Bruce Boehrs
Bruce 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).
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Patent number: 12109526Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: GrantFiled: September 26, 2023Date of Patent: October 8, 2024Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Paul Wendt
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Publication number: 20240091695Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: ApplicationFiled: September 26, 2023Publication date: March 21, 2024Inventors: Bruce Boehrs, Paul Wendt
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Patent number: 11786857Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: GrantFiled: October 28, 2021Date of Patent: October 17, 2023Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Paul Wendt
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Publication number: 20220118394Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: ApplicationFiled: October 28, 2021Publication date: April 21, 2022Inventors: Bruce Boehrs, Paul Wendt
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Patent number: 11291943Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: GrantFiled: March 12, 2020Date of Patent: April 5, 2022Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 11173442Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: GrantFiled: September 19, 2019Date of Patent: November 16, 2021Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Paul Wendt
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Publication number: 20200206671Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: ApplicationFiled: March 12, 2020Publication date: July 2, 2020Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Publication number: 20200114296Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: ApplicationFiled: September 19, 2019Publication date: April 16, 2020Inventors: Bruce Boehrs, Paul Wendt
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Patent number: 10603618Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: GrantFiled: April 6, 2018Date of Patent: March 31, 2020Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 10427083Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: GrantFiled: July 15, 2016Date of Patent: October 1, 2019Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Paul Wendt
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Publication number: 20180326344Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: ApplicationFiled: April 6, 2018Publication date: November 15, 2018Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 9937455Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: GrantFiled: August 28, 2015Date of Patent: April 10, 2018Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 9399972Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: GrantFiled: September 22, 2014Date of Patent: July 26, 2016Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Paul Wendt
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Publication number: 20150367273Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes media comprising opposite inlet and outlet flow faces, with a perimeter housing seal. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.Type: ApplicationFiled: August 28, 2015Publication date: December 24, 2015Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 9120047Abstract: 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. Methods of assembly and use are also provided.Type: GrantFiled: July 8, 2013Date of Patent: September 1, 2015Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Publication number: 20150101294Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.Type: ApplicationFiled: September 22, 2014Publication date: April 16, 2015Inventors: Bruce Boehrs, Paul Wendt
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Patent number: 8480779Abstract: 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. Methods of assembly and use are also provided.Type: GrantFiled: October 7, 2011Date of Patent: July 9, 2013Assignee: Donaldson Company, Inc.Inventors: Bruce Boehrs, Gregory Reichter, Stephen Sabelko, Paul Wendt
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Patent number: 8328897Abstract: 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: GrantFiled: November 21, 2011Date of Patent: December 11, 2012Assignee: Donaldson Company, Inc.Inventors: Benny Kevin Nelson, Gregory Reichter, Bruce Boehrs, Paul Wendt
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Publication number: 20070175194Abstract: 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: ApplicationFiled: November 10, 2004Publication date: August 2, 2007Applicant: Donaldson Company, Inc.Inventors: Larry Nepsund, Bradley Kuempel, Donald Engel, Bruce Boehrs, Sheldon Anderson, Richard Bucholtz, Steve Campbell, Thomas Lundgren
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Publication number: 20050229561Abstract: An air cleaner (40) includes a housing (48) and an access cover. The internal volume of the housing (48) can be reach 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: ApplicationFiled: May 8, 2003Publication date: October 20, 2005Inventors: Larry Nepsund, Bradley Kuempel, Donald Engel, Bruce Boehrs, Sheldon Anderson, Richard Bucholtz, Thomas Lundgren