Patents by Inventor Bruce Crenshaw
Bruce Crenshaw 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: 9795911Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.Type: GrantFiled: December 8, 2014Date of Patent: October 24, 2017Assignee: Donaldson Company, Inc.Inventors: Gregory L. Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
-
Publication number: 20170182443Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.Type: ApplicationFiled: December 22, 2016Publication date: June 29, 2017Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Patent number: 9527023Abstract: An air filter arrangement is disclosed. The air filter arrangement includes strips of media comprising fluted sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Media pack arrangements including such stacked media with peripheral, perimeter, housing seal arrangements are described. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.Type: GrantFiled: April 28, 2014Date of Patent: December 27, 2016Assignee: Donaldson Comapny, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Kevin Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Publication number: 20160184757Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.Type: ApplicationFiled: November 9, 2015Publication date: June 30, 2016Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Patent number: 9180399Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.Type: GrantFiled: January 27, 2014Date of Patent: November 10, 2015Assignee: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Publication number: 20150306530Abstract: An air filter arrangement is disclosed. The air filter arrangement includes strips of media comprising fluted sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Media pack arrangements including such stacked media with peripheral, perimeter, housing seal arrangements are described. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.Type: ApplicationFiled: April 28, 2014Publication date: October 29, 2015Applicant: DONALDSON COMPANY, INC.Inventors: GREGORY REICHTER, WAYNE BISHOP, BENNY KEVIN NELSON, DARREL WEGNER, BRUCE CRENSHAW, THOMAS MILLER, DONALD MORK, KEVIN SCHRAGE, VLADIMIR KLADNITSKY, RICHARD OSENDORF, BRADLEY KUEMPEL, THOMAS LUNDGREN, JORDAN FLAGSTAD
-
Patent number: 9114346Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.Type: GrantFiled: August 26, 2013Date of Patent: August 25, 2015Assignee: Donaldson Company, Inc.Inventors: Kevin Schrage, Eugene Lensing, Jeff Rahlf, Wayne Bishop, Gregory Reichter, Benny Nelson, Rodger Spears, Bruce Crenshaw, Vladimir Kladnitsky
-
Publication number: 20150196864Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.Type: ApplicationFiled: December 8, 2014Publication date: July 16, 2015Inventors: GREGORY R. REICHTER, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Keumpel, Thomas Lundgren
-
Patent number: 8906128Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and forming inlet and outlet flutes secured to one another. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.Type: GrantFiled: September 14, 2012Date of Patent: December 9, 2014Assignee: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
-
Publication number: 20140311108Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.Type: ApplicationFiled: January 27, 2014Publication date: October 23, 2014Applicant: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Publication number: 20140123610Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.Type: ApplicationFiled: August 26, 2013Publication date: May 8, 2014Applicant: DONALDSON COMPANY, INC.Inventors: KEVIN SCHRAGE, EUGENE LENSING, JEFF RAHLF, WAYNE BISHOP, GREGORY REICHTER, BENNY NELSON, RODGER SPEARS, BRUCE CRENSHAW, VLADIMIR KLADNITSKY
-
Patent number: 8709119Abstract: An air filter arrangement is disclosed. The air filter arrangement includes strips of media comprising fluted sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Media pack arrangements including such stacked media with peripheral, perimeter, housing seal arrangements are described. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.Type: GrantFiled: September 14, 2012Date of Patent: April 29, 2014Assignee: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
-
Patent number: 8636820Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.Type: GrantFiled: July 29, 2013Date of Patent: January 28, 2014Assignee: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Keumpel, Thomas Lundgren, Jordan S. Flagstad
-
Publication number: 20130312379Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.Type: ApplicationFiled: July 29, 2013Publication date: November 28, 2013Applicant: Donaldson Company, Inc.Inventors: GREGORY REICHTER, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordon Flagstad
-
Patent number: 8518141Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.Type: GrantFiled: August 13, 2012Date of Patent: August 27, 2013Assignee: Donaldson Company, Inc.Inventors: Kevin Schrage, Eugene Lensing, Jeff Rahlf, Wayne Bishop, Gregory Reichter, Benny Nelson, Rodger Spears, Bruce Crenshaw, Vladimir Kladnitsky
-
Patent number: 7455707Abstract: A reverse flow air filter arrangement is provided. The arrangement includes a filter element having first and second end caps, the second end cap having a central drainage aperture. A funnel shape on an interior surface of second end cap is used to direct moisture flow to the drainage aperture. The arrangement includes a housing in which the filter element is positioned, operatively, during use. Certain features in the housing facilitate moisture withdrawal from the filter element while also inhibiting interference with sealing between the filter element and the housing.Type: GrantFiled: February 10, 2003Date of Patent: November 25, 2008Assignee: Donaldson Company, Inc.Inventors: Donald Francis Engel, Dolan Bartels, John Hacker, Bruce Crenshaw, Shirley A. Harold, Don Harold
-
Publication number: 20050031829Abstract: A mat for use in commercial, residential, and/or automotive applications includes a rubber layer comprising rubber particles and a matrix material proximate the rubber particles. The matrix material comprises a barrier material and a binder material. The mat also includes a textile layer thermally bonded to the rubber layer. The textile layer comprises a backing layer comprising polyester. The textile layer further comprises a tufted textile surface coupled to the backing layer.Type: ApplicationFiled: August 12, 2002Publication date: February 10, 2005Inventors: R Bruce Crenshaw, Raul Perez
-
Publication number: 20040148913Abstract: A reverse flow air filter arrangement is provided. The arrangement includes a filter element having first and second end caps, the second end cap having a central drainage aperture. A funnel shape on an interior surface of second end cap is used to direct moisture flow to the drainage aperture. The arrangement includes a housing in which the filter element is positioned, operatively, during use. Certain features in the housing facilitate moisture withdrawal from the filter element while also inhibiting interference with sealing between the filter element and the housing.Type: ApplicationFiled: February 10, 2003Publication date: August 5, 2004Applicant: Donaldson Company, Inc.Inventors: Donald Francis Engel, Dolan Bartels, John Hacker, Bruce Crenshaw, Don Harold
-
Publication number: 20040006955Abstract: A reverse flow air filter arrangement is provided. The arrangement includes a filter element having first and second-end caps, the second end cap having a central drainage aperture. A funnel shape on an interior surface of second end cap is used to direct moisture flow to the drainage aperture. The arrangement includes a housing in which the filter element is positioned, operatively, during use. Certain features in the housing facilitate moisture withdrawal from the filter element while also inhibiting interference with sealing between the filter element and the housing.Type: ApplicationFiled: February 10, 2003Publication date: January 15, 2004Applicant: Donaldson Company, Inc.Inventors: Donald Francis Engel, Dolan Bartels, John Hacker, Bruce Crenshaw, Don Harold, Shirley A. Harold
-
Patent number: RE46700Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.Type: GrantFiled: January 11, 2017Date of Patent: February 6, 2018Assignee: Donaldson Company, Inc.Inventors: Kevin Schrage, Eugene Lensing, Jeff Rahlf, Wayne Bishop, Gregory Reichter, Benny Nelson, Rodger Spears, Bruce Crenshaw, Vladimir Kladnitsky