Christopher R. Gehrke

Person

Chillocothe, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Preignition mitigation strategy for gaseous fuel engine
- Patent number 11,920,528
- Issue date Mar 5, 2024
- Caterpillar Inc.
- Michael T. Graziano
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gaseous fuel engine and operating strategy for limiting preignition...
- Patent number 11,773,795
- Issue date Oct 3, 2023
- Caterpillar Inc.
- Jaswinder Singh
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piston geometry for reduced smoke and cylinder head component tempe...
- Patent number 11,230,992
- Issue date Jan 25, 2022
- Caterpillar Inc.
- Eric L. Schroeder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for estimating engine performance
- Patent number 10,982,608
- Issue date Apr 20, 2021
- Caterpillar Inc.
- Christopher R. Gehrke
- G05 - CONTROLLING REGULATING
Information Patent Grant
System and method for estimating exhaust manifold temperature
- Patent number 10,830,168
- Issue date Nov 10, 2020
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for estimating cylinder pressure
- Patent number 10,787,976
- Issue date Sep 29, 2020
- Caterpillar Inc.
- Christopher R. Gehrke
- G01 - MEASURING TESTING
Information Patent Grant
Ducted combustion systems utilizing duct structures
- Patent number 9,803,538
- Issue date Oct 31, 2017
- Caterpillar Inc.
- Jonathan Anders
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ducted combustion systems utilizing duct cooling
- Patent number 9,797,351
- Issue date Oct 24, 2017
- Caterpillar Inc.
- Kenth Svensson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ducted combustion systems utilizing tubular ducts
- Patent number 9,587,606
- Issue date Mar 7, 2017
- Caterpillar Inc.
- Jonathan Anders
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Temperature-controlled exhaust gas recirculation system and method...
- Patent number 9,169,794
- Issue date Oct 27, 2015
- Caterpillar Inc.
- Christopher R. Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Reactivity controlled compression ignition engine operating on a Mi...
- Patent number 9,151,241
- Issue date Oct 6, 2015
- Caterpillar Inc.
- Christopher R. Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Split-cycle, reactivity controlled compression ignition engine and...
- Patent number 9,038,582
- Issue date May 26, 2015
- Caterpillar Inc.
- Christopher R. Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Reactivity controlled compression ignition engine with exhaust gas...
- Patent number 8,991,358
- Issue date Mar 31, 2015
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Compression ignition engine having fuel system for non-sooting comb...
- Patent number 8,869,770
- Issue date Oct 28, 2014
- Caterpillar Inc.
- Timothy Bazyn
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System that limits turbo speed by controlling fueling
- Patent number 7,908,858
- Issue date Mar 22, 2011
- Caterpillar Inc.
- Christopher Ronald Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for monitoring boost leak
- Patent number 7,802,427
- Issue date Sep 28, 2010
- Caterpillar Inc.
- Christopher Ronald Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine system routing crankcase gases into exhaust
- Patent number 7,721,540
- Issue date May 25, 2010
- Caterpillar Inc.
- William Lyle Schell
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for modulating turbocharger braking
- Patent number 7,644,584
- Issue date Jan 12, 2010
- Caterpillar Inc.
- Matthew Edward Leustek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust gas recirculation system
- Patent number 7,477,982
- Issue date Jan 13, 2009
- Caterpillar Inc.
- Evan Jacobson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Control system and method for estimating turbocharger performance
- Patent number 7,296,562
- Issue date Nov 20, 2007
- Caterpiller Inc.
- Michael P. Withrow
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
HYDROGEN FLAME ARRESTOR
- Publication number 20240299786
- Publication date Sep 12, 2024
- Caterpillar Inc.
- Christopher Ronald GEHRKE
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
PISTON GEOMETRY FOR REDUCED SMOKE AND CYLINDER HEAD COMPONENT TEMPE...
- Publication number 20210310438
- Publication date Oct 7, 2021
- Caterpillar Inc.
- Eric L. Schroeder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR ESTIMATING ENGINE PERFORMANCE
- Publication number 20200332733
- Publication date Oct 22, 2020
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR ESTIMATING CYLINDER PRESSURE
- Publication number 20200332729
- Publication date Oct 22, 2020
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR ESTIMATING EXHAUST MANIFOLD TEMPERATURE
- Publication number 20200332736
- Publication date Oct 22, 2020
- Caterpillar Inc.
- Christopher R. Gehrke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DUCTED COMBUSTION SYSTEM
- Publication number 20170241368
- Publication date Aug 24, 2017
- Caterpillar Inc.
- Jonathan W. Anders
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUCTED COMBUSTION SYSTEMS UTILIZING DUCT COOLING
- Publication number 20170009712
- Publication date Jan 12, 2017
- Caterpillar Inc.
- Kenth Svensson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Ducted Combustion Systems Utilizing Tubular Ducts
- Publication number 20160298583
- Publication date Oct 13, 2016
- Caterpillar Inc.
- Jonathan Anders
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Ducted Combustion Systems Utilizing Outside Air Injection
- Publication number 20160298584
- Publication date Oct 13, 2016
- Caterpillar Inc.
- Kenth Svensson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Ducted Combustion Systems Utilizing Duct Structures
- Publication number 20160298529
- Publication date Oct 13, 2016
- Caterpillar Inc.
- Jonathan Anders
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTOR FOR AN ENGINE
- Publication number 20150377201
- Publication date Dec 31, 2015
- Caterpillar Inc.
- Kenth I. Svensson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Combustion Engine and Method of Use Resulting in Reduced Soot Emiss...
- Publication number 20150211413
- Publication date Jul 30, 2015
- PERKINS ENGINES COMPANY LIMITED
- Ian Evans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Temperature-Controlled Exhaust Gas Recirculation System and Method...
- Publication number 20140158088
- Publication date Jun 12, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Reactivity Controlled Compression Ignition Engine with Intake Cooli...
- Publication number 20140032080
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Reactivity Controlled Compression Ignition Engine with Exhaust Gas...
- Publication number 20140026859
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Dual Mode Engine Using Two or More Fuels and Method for Operating S...
- Publication number 20140032081
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Martin Willi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Split-Cycle, Reactivity Controlled Compression Ignition Engine and...
- Publication number 20140026855
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Variable Miller Cycle for Reactivity Controlled Compression Ignitio...
- Publication number 20140026873
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Reactivity Controlled Compression Ignition Engine Operating on a Mi...
- Publication number 20140032082
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Temperature-Controlled Combustion System and Method
- Publication number 20140032084
- Publication date Jan 30, 2014
- Caterpillar Inc.
- Christopher R. Gehrke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Compression Ignition Engine Having Fuel System For Non-Sooting Comb...
- Publication number 20120318233
- Publication date Dec 20, 2012
- Caterpillar Inc.
- Timothy Bazyn
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Diesel Engine and Method for Flexible Passive Regeneration of Exhau...
- Publication number 20110265456
- Publication date Nov 3, 2011
- Caterpillar, Inc.
- Scott B. Fiveland
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Engine system routing crankcase gases into exhaust
- Publication number 20090071451
- Publication date Mar 19, 2009
- William Lyle Schell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
System that limits turbo speed by controlling fueling
- Publication number 20090031723
- Publication date Feb 5, 2009
- Caterpillar Inc.
- Christopher Ronald Gehrke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Exhaust treatment system implementing temporary engine control
- Publication number 20080295486
- Publication date Dec 4, 2008
- Caterpillar Inc.
- Thomas Jeffrey Crowell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method for modulating turbocharger braking
- Publication number 20080127643
- Publication date Jun 5, 2008
- Caterpillar Inc.
- Matthew Edward Leustek
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Exhaust gas recirculation system
- Publication number 20080103680
- Publication date May 1, 2008
- Caterpillar Inc.
- Evan Jacobson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Managing temperature in an exhaust treatment system
- Publication number 20080078170
- Publication date Apr 3, 2008
- Christopher R. Gehrke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
System and method for monitoring boost leak
- Publication number 20070266706
- Publication date Nov 22, 2007
- Christopher Ronald Gehrke
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Control system and method for estimating turbocharger performance
- Publication number 20070227139
- Publication date Oct 4, 2007
- Michael P. Withrow
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Christopher R. Gehrke

Person

Patents Grantslast 30 patents

Preignition mitigation strategy for gaseous fuel engine

Gaseous fuel engine and operating strategy for limiting preignition...

Piston geometry for reduced smoke and cylinder head component tempe...

System and method for estimating engine performance

System and method for estimating exhaust manifold temperature

System and method for estimating cylinder pressure

Ducted combustion systems utilizing duct structures

Ducted combustion systems utilizing duct cooling

Ducted combustion systems utilizing tubular ducts

Temperature-controlled exhaust gas recirculation system and method...

Reactivity controlled compression ignition engine operating on a Mi...

Split-cycle, reactivity controlled compression ignition engine and...

Reactivity controlled compression ignition engine with exhaust gas...

Compression ignition engine having fuel system for non-sooting comb...

System that limits turbo speed by controlling fueling

System and method for monitoring boost leak

Engine system routing crankcase gases into exhaust

Method for modulating turbocharger braking

Exhaust gas recirculation system

Control system and method for estimating turbocharger performance

Patents Applicationslast 30 patents

HYDROGEN FLAME ARRESTOR

PISTON GEOMETRY FOR REDUCED SMOKE AND CYLINDER HEAD COMPONENT TEMPE...

SYSTEM AND METHOD FOR ESTIMATING ENGINE PERFORMANCE

SYSTEM AND METHOD FOR ESTIMATING CYLINDER PRESSURE

SYSTEM AND METHOD FOR ESTIMATING EXHAUST MANIFOLD TEMPERATURE

DUCTED COMBUSTION SYSTEM

DUCTED COMBUSTION SYSTEMS UTILIZING DUCT COOLING

Ducted Combustion Systems Utilizing Tubular Ducts

Ducted Combustion Systems Utilizing Outside Air Injection

Ducted Combustion Systems Utilizing Duct Structures

FUEL INJECTOR FOR AN ENGINE

Combustion Engine and Method of Use Resulting in Reduced Soot Emiss...

Temperature-Controlled Exhaust Gas Recirculation System and Method...

Reactivity Controlled Compression Ignition Engine with Intake Cooli...

Reactivity Controlled Compression Ignition Engine with Exhaust Gas...

Dual Mode Engine Using Two or More Fuels and Method for Operating S...

Split-Cycle, Reactivity Controlled Compression Ignition Engine and...

Variable Miller Cycle for Reactivity Controlled Compression Ignitio...

Reactivity Controlled Compression Ignition Engine Operating on a Mi...

Temperature-Controlled Combustion System and Method

Compression Ignition Engine Having Fuel System For Non-Sooting Comb...

Diesel Engine and Method for Flexible Passive Regeneration of Exhau...

Engine system routing crankcase gases into exhaust

System that limits turbo speed by controlling fueling

Exhaust treatment system implementing temporary engine control

Method for modulating turbocharger braking

Exhaust gas recirculation system

Managing temperature in an exhaust treatment system

System and method for monitoring boost leak

Control system and method for estimating turbocharger performance