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Timothy D. Sporre
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Robbinsdale, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Filter medium and breather filter structure
Patent number
11,504,663
Issue date
Nov 22, 2022
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and structure
Patent number
RE49097
Issue date
Jun 7, 2022
Donaldson Company, Inc.
Brad E. Kahlbaugh
Information
Patent Grant
Filter medium and breather filter structure
Patent number
10,610,813
Issue date
Apr 7, 2020
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and structure
Patent number
RE47737
Issue date
Nov 26, 2019
Donaldson Company, Inc.
Brad E. Kahlbaugh
Information
Patent Grant
Filter medium and breather filter structure
Patent number
9,795,906
Issue date
Oct 24, 2017
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter arrangement and methods
Patent number
9,079,132
Issue date
Jul 14, 2015
Donaldson Company, Inc.
Michael Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter construction for use with air in-take for gas turbine and me...
Patent number
8,721,756
Issue date
May 13, 2014
Donaldson Company, Inc.
Michael W. Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter construction for use with air in-take for gas turbine and me...
Patent number
8,673,040
Issue date
Mar 18, 2014
Donaldson Company, Inc.
Michael W. Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter arrangement and methods
Patent number
8,518,142
Issue date
Aug 27, 2013
Donaldson Company, Inc.
Michael Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Z-filter media with reverse-flow cleaning systems and methods
Patent number
7,967,898
Issue date
Jun 28, 2011
Donaldson Company, Inc.
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Z-filter media with reverse-flow cleaning systems and methods
Patent number
7,338,544
Issue date
Mar 4, 2008
Donaldson Company, Inc.
Timothy D. Sporre
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Z-filter media with reverse-flow cleaning systems and methods
Patent number
7,282,075
Issue date
Oct 16, 2007
Donaldson Company, Inc.
Timothy D. Sporre
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Reverse-flow cleaning systems and methods
Patent number
7,195,659
Issue date
Mar 27, 2007
Donaldson Company, Inc.
Timothy D. Sporre
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20230149840
Publication date
May 18, 2023
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PULSE AIR CLEANER SYSTEM WITH PULSE TUBE EXTENSION
Publication number
20220226764
Publication date
Jul 21, 2022
Donaldson Company, Inc.
Thomas R. Olson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20200330912
Publication date
Oct 22, 2020
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20170225105
Publication date
Aug 10, 2017
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER ARRANGEMENT AND METHODS
Publication number
20140033664
Publication date
Feb 6, 2014
Donaldson Company, Inc.
Michael Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER CONSTRUCTION FOR USE WITH AIR IN-TAKE FOR GAS TURBINE AND ME...
Publication number
20130008313
Publication date
Jan 10, 2013
Donaldson Company, Inc.
Michael W. Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER ARRANGEMENT AND METHODS
Publication number
20110067368
Publication date
Mar 24, 2011
Michael Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER CONSTRUCTION FOR USE WITH AIR IN-TAKE FOR GAS TURBINE AND ME...
Publication number
20110048228
Publication date
Mar 3, 2011
Michael W. Handley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Z-filter media with reverse-flow cleaning systems and methods
Publication number
20090064860
Publication date
Mar 12, 2009
Donaldson Company, Inc.
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYGONAL FILTER ELEMENT WITH RADIUSED CORNERS, ASSEMBLIES, AND MET...
Publication number
20080092501
Publication date
Apr 24, 2008
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reverse-flow cleaning systems and methods
Publication number
20070137151
Publication date
Jun 21, 2007
Donaldson Company, Inc.
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Z-filter media with reverse-flow cleaning systems and methods
Publication number
20060112667
Publication date
Jun 1, 2006
Donaldson Company, Inc.
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reverse-flow cleaning systems and methods
Publication number
20050120881
Publication date
Jun 9, 2005
Timothy Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Z-filter media with reverse-flow cleaning systems and methods
Publication number
20040187689
Publication date
Sep 30, 2004
Timothy D. Sporre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL