Patents by Inventor Thomas Donald Raether
Thomas Donald Raether 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: 10195560Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: GrantFiled: August 30, 2017Date of Patent: February 5, 2019Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Publication number: 20170361255Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: ApplicationFiled: August 30, 2017Publication date: December 21, 2017Inventor: Thomas Donald Raether
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Patent number: 9776120Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: GrantFiled: March 17, 2017Date of Patent: October 3, 2017Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Publication number: 20170182444Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: ApplicationFiled: March 17, 2017Publication date: June 29, 2017Inventor: Thomas Donald Raether
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Patent number: 9597623Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: GrantFiled: December 10, 2013Date of Patent: March 21, 2017Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Eli Ross, Rodney Slade Switzer, Gary Richard Nygaard
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Patent number: 9393511Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: GrantFiled: June 4, 2014Date of Patent: July 19, 2016Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Publication number: 20140284886Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: ApplicationFiled: June 4, 2014Publication date: September 25, 2014Inventor: Thomas Donald Raether
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Patent number: 8771395Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: GrantFiled: July 16, 2013Date of Patent: July 8, 2014Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Publication number: 20140096496Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: ApplicationFiled: December 10, 2013Publication date: April 10, 2014Applicant: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Eli Ross, Rodney Slade Switzer, Gary Richard Nygaard
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Patent number: 8617276Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: GrantFiled: October 11, 2010Date of Patent: December 31, 2013Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Eli Ross, Rodney Slade Switzer, Gary Richard Nygaard
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Publication number: 20130298770Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: ApplicationFiled: July 16, 2013Publication date: November 14, 2013Inventor: Thomas Donald Raether
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Patent number: 8491691Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: GrantFiled: October 11, 2010Date of Patent: July 23, 2013Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Patent number: 8491684Abstract: Z-filters capable of cleaning particulate matter from airflow streams in dust collectors, including reverse flow, reverse air, and reverse pulse systems.Type: GrantFiled: February 25, 2010Date of Patent: July 23, 2013Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Brian Zauner, Mark Belcher, Gabriel Safarian
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Patent number: 8317890Abstract: Air filter assemblies and components therefor are described. The air filter assembly typically includes an air filter cartridge. Air filter cartridges including a media pack comprising at least a first stack of single facer strips are described. In examples described, at least a portion of the first stack of single facer strips is arcuate. Air filter assemblies are characterized that are configured, for example, to advantageously use such air filter cartridges. Example air filter assemblies are described that include pulse jet air cleaning systems.Type: GrantFiled: August 27, 2009Date of Patent: November 27, 2012Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Benny Kevin Nelson, Jared Lee Niccum
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Patent number: 8118900Abstract: A dust collector includes a housing with a tubesheet and at least one filter element. A reverse pulse cleaning arrangement is provided to periodically emit gas pulses into a downstream flow face of the filter element. The reverse pulse cleaning arrangement includes at least Q number of blow pipes directed at the filter element, with Q being an integer of at least 2 or greater and is calculated based on filter length, filter width, pulse over coverage, and the maximum pulse non-coverage.Type: GrantFiled: September 30, 2009Date of Patent: February 21, 2012Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Douglas Wersal
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Publication number: 20110113736Abstract: Air filter assemblies and components therefor are described. The air filter assembly typically includes an air filter cartridge. Air filter cartridges including a media pack comprising at least a first stack of single facer strips are described. In examples described, at least a portion of the first stack of single facer strips is arcuate. Air filter assemblies are characterized that are configured, for example, to advantageously use such air filter cartridges. Example air filter assemblies are described that include pulse jet air cleaning systems.Type: ApplicationFiled: August 27, 2009Publication date: May 19, 2011Inventors: Thomas Donald Raether, Benny Kevin Nelson, Jared Lee Niccum
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Publication number: 20110083408Abstract: An air filter cartridge has Z-media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet. A method of servicing includes orienting the air filter cartridge against a guide ramp and moving the filter cartridge until the side gasket member is engaged against the tubesheet sealing surface.Type: ApplicationFiled: October 11, 2010Publication date: April 14, 2011Inventors: Thomas Donald Raether, Eli Ross, Rodney Slade Switzer, Gary Richard Nygaard
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Publication number: 20110083559Abstract: An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: ApplicationFiled: October 11, 2010Publication date: April 14, 2011Inventor: Thomas Donald Raether
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Publication number: 20110072972Abstract: A dust collector includes a housing with a tubesheet and at least one filter element. A reverse pulse cleaning arrangement is provided to periodically emit gas pulses into a downstream flow face of the filter element. The reverse pulse cleaning arrangement includes at least Q number of blow pipes directed at the filter element, with Q being an integer of at least 2 or greater and is calculated based on filter length, filter width, pulse over coverage, and the maximum pulse non-coverage.Type: ApplicationFiled: September 30, 2009Publication date: March 31, 2011Applicant: DONALDSON COMPANY, INC.Inventors: THOMAS DONALD RAETHER, Douglas Wersal
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Publication number: 20100263337Abstract: Z-filters capable of cleaning particulate matter from airflow streams in dust collectors, including reverse flow, reverse air, and reverse pulse systems.Type: ApplicationFiled: February 25, 2010Publication date: October 21, 2010Applicant: DONALDSON COMPANY, INCInventors: THOMAS DONALD RAETHER, BRIAN ZAUNER, MARK BELCHER, GABRIEL SAFARIAN