Patents by Inventor John R. Hacker
John R. Hacker 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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Publication number: 20110226688Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided.Type: ApplicationFiled: June 6, 2011Publication date: September 22, 2011Applicant: Donaldson Company, Inc.Inventors: Enrico Greco, Fabrizio Buratto, Mauro Cantoni, John F. Connelly, Christian Guernieri, John R. Hacker
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Publication number: 20110139699Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.Type: ApplicationFiled: June 3, 2009Publication date: June 16, 2011Applicant: Donaldson Company, Inc.Inventors: Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop, John R. Hacker, Mark S. Emery
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Publication number: 20110132828Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.Type: ApplicationFiled: October 1, 2010Publication date: June 9, 2011Applicants: Caterpillar, Inc., Advanced Filtration Systems, Inc., Donaldson Company, Inc.Inventors: Jeffrey R. RIES, Christopher J. SALVADOR, Randall W. HEIBENTHAL, Dennis M. DEEDRICH, David B. HARDER, John R. HACKER, Richard J. EISENMENGER
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Publication number: 20110132829Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.Type: ApplicationFiled: June 3, 2009Publication date: June 9, 2011Applicant: Donaldson Company, Inc.Inventors: Brian Tucker, Bradley S. Honermann, Gary H. Gift, Brent A. Gulsvig, Kent Mehlhop, John R. Hacker, Mark S. Emery
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Patent number: 7955502Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided.Type: GrantFiled: December 22, 2009Date of Patent: June 7, 2011Assignee: Donaldson Company, Inc.Inventors: Enrico Greco, Fabrizio Buratto, Mauro Cantoni, Christian Guernieri, John F. Connelly, John R. Hacker
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Publication number: 20110073537Abstract: A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.Type: ApplicationFiled: October 1, 2010Publication date: March 31, 2011Applicants: CATERPILLAR, INC., ADVANCED FILTRATION SYSTEMS, INC., DONALDSON COMPANY, INC.Inventors: Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
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Publication number: 20110042329Abstract: A cartridge type filter is mounted in a housing and is serviced through the top of the housing. The cartridge includes first and second media packs axially stacked. The second media pack is in series behind the first media pack, and filters a portion of the liquid therethrough. The second media pack has a higher efficiency than the first media pack. The overall design has a drain system which allows liquid to drain from the interior of the filter housing and back to the sump before the filter cartridge is completely removed from the housing. Other optional features include an oil cooler, various valving, and a filter cartridge lockout mechanism.Type: ApplicationFiled: January 22, 2009Publication date: February 24, 2011Applicant: Donaldson Company, Inc.Inventors: John R. Hacker, Bradley S. Honermann, Mark S. Emery
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Patent number: 7886610Abstract: An apparatus for measuring the differential pressure of fluid in filter. The apparatus comprises a housing defining a pressure chamber. A differential pressure gauge divides the pressure chamber into first and second fluid chambers. The differential pressure gauge is arranged to measure a differential pressure between fluid in the first chamber and fluid in the second chamber. The differential pressure gauge has a variable output.Type: GrantFiled: August 24, 2005Date of Patent: February 15, 2011Assignee: Donaldson Company, Inc.Inventors: Michael Jon Gustafson, John R. Hacker
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Publication number: 20110031181Abstract: A filter cartridge that includes a housing having first and second housing members, a filter media pack positioned within the housing, and a housing connection defined between the first and second housing members. The first and second housing members each include a flange. The flanges engage each other at an engagement location. The engagement location extends around a circumference of the first housing member along an internal surface of thereof. A permanent housing connection is defined along the engagement location.Type: ApplicationFiled: June 29, 2009Publication date: February 10, 2011Inventors: John R. Hacker, Bradley S. Honermann, Mark S. Emery
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Publication number: 20100140157Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided.Type: ApplicationFiled: December 22, 2009Publication date: June 10, 2010Applicant: Donaldson Company, Inc.Inventors: Enrico Greco, Fabrizio Buratto, Mauro Cantoni, Christian Guernieri, John F. Connelly, John R. Hacker
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Publication number: 20100044295Abstract: A filter cartridge 38 includes a first endcap 41 defining a first open aperture and having at least first and second protrusions extending from a wall along the aperture and into the first open aperture. The first protrusion is spaced from the second protrusion in both a vertical direction and a circumferential direction. The filter cartridge also includes filter media 44 and a second endcap 42. The filter cartridge is mountable in a filter bowl 36 having an inner liner assembly, and the bowl and the inner liner assembly is connectable to a filter head to form a filter system.Type: ApplicationFiled: April 25, 2008Publication date: February 25, 2010Applicant: Donaldson Co., Inc.Inventors: Bradley S. Honermann, Kathryn A. Legault, John R. Hacker, Mark S. Emery
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Patent number: 7662284Abstract: A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided.Type: GrantFiled: June 16, 2005Date of Patent: February 16, 2010Assignee: Donaldson Company, Inc.Inventors: Enrico Greco, Fabrizio Buratto, Mauro Cantoni, Christian Guernieri, John F. Connelly, John R. Hacker
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Publication number: 20090314727Abstract: A primary and secondary filter are combined into a single housing, and two elements are combined into a single element. This combination is useable in any system that has a filter upstream of a pump and a filter downstream of a pump. The example described is a fuel system.Type: ApplicationFiled: February 6, 2007Publication date: December 24, 2009Applicant: Donaldson Company, Inc.Inventors: John R. Hacker, Jodi Billy
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Patent number: 7628280Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features.Type: GrantFiled: November 14, 2006Date of Patent: December 8, 2009Assignee: Donaldson Company, Inc.Inventors: Brian Mandt, Brent A. Gulsvig, John R. Hacker
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Publication number: 20090211959Abstract: A primary (48, 348, 648, 908) and secondary (50, 350, 650, 910) filter are combined into a single housing (42), and two elements are combined into a single element (46). The primary and secondary filters are fluidly isolated from each other. The primary filter is configured for radial flow, and the secondary filter is configured for axial flow. The filter arrangement can be a top load arrangement or, in another embodiment, a bottom load arrangement. This combination is useable in any system that has a filter upstream of a pump (44) and a filter downstream of a pump (14). The example described is a fuel system. Methods of servicing include simultaneously removing the housing cover along with both the primary and secondary filters.Type: ApplicationFiled: January 29, 2007Publication date: August 27, 2009Applicant: Donaldson Company, Inc.Inventors: Patrick J. Clint, John R. Hacker, Jodi Billy, Kurt b. Joscher
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Publication number: 20090200221Abstract: A filter element includes a tubular extension of pleated media, a first end cap, a second end cap, a porous-inner filter support oriented to line the pleated filter media, a latch arrangement, and a seal member. The inner filter support has an end wall adjacent to the first end cap, with the end wall defining an opening. The latch arrangement projects from the end wall of the filter support. The seal member is secured to the second end cap and circumscribes the second end cap aperture.Type: ApplicationFiled: May 6, 2005Publication date: August 13, 2009Applicant: DONALDSON COMPANY, INC.Inventors: John R. Hacker, Brian Mandt, Brent Gulsvig
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Patent number: D646350Type: GrantFiled: October 1, 2010Date of Patent: October 4, 2011Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
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Patent number: D646750Type: GrantFiled: October 1, 2010Date of Patent: October 11, 2011Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
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Patent number: D646751Type: GrantFiled: May 19, 2011Date of Patent: October 11, 2011Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
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Patent number: D648822Type: GrantFiled: October 1, 2010Date of Patent: November 15, 2011Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger