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John D. Gierszewski
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Creve Coeur, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dual butterfly control valve and method of use
Patent number
8,342,206
Issue date
Jan 1, 2013
Caterpillar Inc.
John D. Gierszewski
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Reducing agent injector having purge heater
Patent number
8,281,570
Issue date
Oct 9, 2012
Caterpillar Inc.
John D. Gierszewski
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System having multiple valves operated by common controller
Patent number
8,046,988
Issue date
Nov 1, 2011
Caterpillar Inc.
Andrew C. Heebink
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Common engine and exhaust treatment fuel system
Patent number
7,552,584
Issue date
Jun 30, 2009
Caterpillar Inc.
Lifeng Wang
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Dual Butterfly Control Valve and Method of Use
Publication number
20120042955
Publication date
Feb 23, 2012
Caterpillar, Inc.
John D. Gierszewski
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Reducing agent injector having purge heater
Publication number
20090038299
Publication date
Feb 12, 2009
Caterpillar Inc.
John D. Gierszewski
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Fuel supply component cleaning system
Publication number
20080035187
Publication date
Feb 14, 2008
Cory Andrew Brown
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Common engine and exhaust treatment fuel system
Publication number
20070227126
Publication date
Oct 4, 2007
Caterpillar Inc.
Lifeng Wang
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
System having multiple valves operated by common controller
Publication number
20070199306
Publication date
Aug 30, 2007
Caterpillar Inc.
Andrew C. Heebink
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust treatment system having hydraulically-actuated air valve
Publication number
20070068146
Publication date
Mar 29, 2007
Caterpillar Inc.
Rodney L. Rolffs
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES