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John R. Hiemstra
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Rosemount, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for regenerating an auxiliary power unit exhaust...
Patent number
9,273,585
Issue date
Mar 1, 2016
Donaldson Company, Inc.
John Hiemstra
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System and method for regenerating an auxiliary power unit exhaust...
Patent number
8,776,502
Issue date
Jul 15, 2014
Donaldson Company, Inc.
John Hiemstra
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System and method to regenerate a diesel particulate filter
Patent number
8,061,129
Issue date
Nov 22, 2011
Thermo King Corporation and Donaldson Company, Inc.
Jill N. Irlbeck
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Exhaust filter
Patent number
7,294,162
Issue date
Nov 13, 2007
Donaldson Company, Inc.
Steve Anderson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Mufflers for use with engine retarders; and methods
Patent number
6,354,398
Issue date
Mar 12, 2002
Donaldson Company, Inc.
Theodore G. Angelo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Mufflers for use with engine retarders; and methods
Patent number
6,082,487
Issue date
Jul 4, 2000
Donaldson Company, Inc.
Theodore G. Angelo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Muffler assembly and method of manufacture
Patent number
4,969,537
Issue date
Nov 13, 1990
Donaldson Company, Inc.
Wayne M. Wagner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust system connector seal
Patent number
RE30042
Issue date
Jul 10, 1979
Donaldson Company, Inc.
John R. Hiemstra
285 - Pipe joints or couplings
Information
Patent Grant
Exhaust system connector seal
Patent number
3,944,265
Issue date
Mar 16, 1976
Donaldson Company, Inc.
John R. Hiemstra
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR REGENERATING AN AUXILIARY POWER UNIT EXHAUST...
Publication number
20150107231
Publication date
Apr 23, 2015
Donaldson Company, Inc.
John Hiemstra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD TO REGENERATE A DIESEL PARTICULATE FILTER
Publication number
20100192548
Publication date
Aug 5, 2010
Jill N. Irlbeck
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
System and Method for Regenerating an Auxiliary Power Unit Exhaust...
Publication number
20100139247
Publication date
Jun 10, 2010
John Hiemstra
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust Filter
Publication number
20080245039
Publication date
Oct 9, 2008
Donaldson Company, Inc.
Steve Anderson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Exhaust filter
Publication number
20050126138
Publication date
Jun 16, 2005
Steve Anderson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL