David Pierpont

Person

Dunlap, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Recirculation system for a power system that includes a plurality o...
- Patent number 11,560,829
- Issue date Jan 24, 2023
- Caterpillar Inc.
- Jeremy Byrd
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine control system and method
- Patent number 11,499,496
- Issue date Nov 15, 2022
- Caterpillar Inc.
- Ryan T. Sunley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine brake control according to engine operating parameters
- Patent number 11,454,179
- Issue date Sep 27, 2022
- Caterpillar Inc.
- Eric Lee Schroeder
- 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
Hydraulic early engine exhaust valve opening system
- Patent number 10,641,140
- Issue date May 5, 2020
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combustion bowl of a piston for an engine
- Patent number 10,113,503
- Issue date Oct 30, 2018
- Caterpillar Inc.
- Brandon Lee Bowditch
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for calculating exhaust temperature
- Patent number 9,664,093
- Issue date May 30, 2017
- Caterpillar Inc.
- Brandon Abel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Piston, engine and operating method for reduced production of parti...
- Patent number 9,328,693
- Issue date May 3, 2016
- Electro-Motive Diesel, Inc.
- David A. Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piston having combustion bowl shaped to balance combustion efficien...
- Patent number 9,238,996
- Issue date Jan 19, 2016
- Caterpillar Inc.
- William L. Easley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Piston having combustion bowl shaped to balance combustion efficien...
- Patent number 9,234,451
- Issue date Jan 12, 2016
- Caterpillar Inc.
- Aaron Karch
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Piston having combustion bowl shaped to balance combustion efficien...
- Patent number 8,978,621
- Issue date Mar 17, 2015
- Caterpillar Inc.
- William L. Easley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust system
- Patent number 8,938,962
- Issue date Jan 27, 2015
- Caterpillar Inc.
- David Andrew Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust system having parallel asymmetric turbochargers and EGR
- Patent number 8,297,053
- Issue date Oct 30, 2012
- Caterpillar Inc.
- John R. Gladden
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine system having multi-stage turbocharging and exhaust gas reci...
- Patent number 8,234,864
- Issue date Aug 7, 2012
- Caterpillar Inc.
- William Lanier Easley, Jr.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Turbocharger having balance valve, wastegate, and common actuator
- Patent number 8,196,403
- Issue date Jun 12, 2012
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust system having 3-way valve
- Patent number 8,176,737
- Issue date May 15, 2012
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust system having series turbochargers and EGR
- Patent number 8,161,747
- Issue date Apr 24, 2012
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust system having parallel asymmetric turbochargers and EGR
- Patent number 8,096,124
- Issue date Jan 17, 2012
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
EGR system having multiple discharge locations
- Patent number 7,891,345
- Issue date Feb 22, 2011
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine valve actuator providing Miller cycle benefits
- Patent number 7,347,171
- Issue date Mar 25, 2008
- Caterpillar Inc.
- Scott A. Leman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Control system and method for variable valve actuation system
- Patent number 7,100,552
- Issue date Sep 5, 2006
- Caterpillar Inc.
- Jason Kenneth Bloms
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine valve actuation system and method
- Patent number 7,063,055
- Issue date Jun 20, 2006
- Caterpillar Inc.
- Jason Kenneth Bloms
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine power loss compensation
- Patent number 7,006,910
- Issue date Feb 28, 2006
- Caterpillar Inc.
- Scott R. Schuricht
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for controlling engine operation
- Patent number 6,928,969
- Issue date Aug 16, 2005
- Caterpillar Inc.
- Jason Kenneth Bloms
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Variable valve actuation control for operation at altitude
- Patent number 6,912,458
- Issue date Jun 28, 2005
- Caterpillar Inc.
- David A. Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Cooling of engine combustion air
- Patent number 6,883,314
- Issue date Apr 26, 2005
- Caterpillar Inc.
- James J. Callas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel allocation at idle or light engine load
- Patent number 6,837,212
- Issue date Jan 4, 2005
- Caterpillar Inc.
- Jason K. Bloms
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM
- Publication number 20240234755
- Publication date Jul 11, 2024
- Caterpillar Inc.
- David Andrew Pierpont
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM
- Publication number 20240136547
- Publication date Apr 25, 2024
- Caterpillar Inc.
- David Andrew Pierpont
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ENGINE BRAKE CONTROL ACCORDING TO ENGINE OPERATING PARAMETERS
- Publication number 20220049661
- Publication date Feb 17, 2022
- Caterpillar Inc.
- Eric Lee SCHROEDER
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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
RECIRCULATION SYSTEM FOR A POWER SYSTEM THAT INCLUDES A PLURALITY O...
- Publication number 20210207526
- Publication date Jul 8, 2021
- Caterpillar Inc.
- Jeremy BYRD
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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
ENGINE CONTROL SYSTEM AND METHOD
- Publication number 20190218993
- Publication date Jul 18, 2019
- Caterpillar Inc.
- Ryan T. Sunley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Hydraulic Early Engine Exhaust Valve Opening System
- Publication number 20180328240
- Publication date Nov 15, 2018
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMBUSTION BOWL OF A PISTON FOR AN ENGINE
- Publication number 20180100466
- Publication date Apr 12, 2018
- Caterpillar Inc.
- Brandon Lee Bowditch
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
System and Method for Modelling Engine Components
- Publication number 20170123392
- Publication date May 4, 2017
- Caterpillar Inc.
- Keith Troisi
- G05 - CONTROLLING REGULATING
Information Patent Application
Method for Calculating Exhaust Temperature
- Publication number 20160281574
- Publication date Sep 29, 2016
- Caterpillar Inc.
- Brandon Abel
- G01 - MEASURING TESTING
Information Patent Application
CONTROLLING FLOW OF EXHAUST GAS INTO TURBOCHARGER OF ENGINE
- Publication number 20160273445
- Publication date Sep 22, 2016
- Caterpillar Inc.
- David A. Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piston Having Combustion Bowl Shaped to Balance Combustion Efficien...
- Publication number 20150128899
- Publication date May 14, 2015
- Caterpillar Inc.
- William L. Easley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMBUSTION BOWL OF PISTON
- Publication number 20150020765
- Publication date Jan 22, 2015
- ELECTRO-MOTIVE DIESEL, INC.
- David A. Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piston, Engine And Operating Method For Reduced Production Of Parti...
- Publication number 20150020767
- Publication date Jan 22, 2015
- ELECTRO-MOTIVE DIESEL, INC.
- David A. Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piston Having Combustion Bowl Shaped To Balance Combustion Efficien...
- Publication number 20130239925
- Publication date Sep 19, 2013
- Caterpillar, Inc.
- Aaron Karch
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST SYSTEM
- Publication number 20130192223
- Publication date Aug 1, 2013
- David Andrew Pierpont
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TURBOCHARGER HAVING BALANCE VALVE, WASTEGATE, AND COMMON ACTUATOR
- Publication number 20120222419
- Publication date Sep 6, 2012
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
NOZZLED TURBOCHARGER TURBINE
- Publication number 20120023936
- Publication date Feb 2, 2012
- Caterpillar Inc.
- RICHARD W. KRUISWYK
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PISTON HAVING COMBUSTION BOWL SHAPED TO BALANCE COMBUSTION EFFICIEN...
- Publication number 20110253096
- Publication date Oct 20, 2011
- Caterpillar Inc.
- William L. Easley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Engine system having multi-stage turbocharging and exhaust gas reci...
- Publication number 20100146965
- Publication date Jun 17, 2010
- Caterpillar Inc.
- William Lanier Easley, JR.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Exhaust system having parallel asymmetric turbochargers and EGR
- Publication number 20100077747
- Publication date Apr 1, 2010
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
EGR system having multiple discharge locations
- Publication number 20100037601
- Publication date Feb 18, 2010
- Caterpillar Inc.
- David Andrew Pierpont
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Exhaust system having 3-way valve
- Publication number 20100024417
- Publication date Feb 4, 2010
- Caterpillar Inc.
- David Andrew Pierpont
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Turbocharger having balance valve, wastegate, and common actuator
- Publication number 20100024414
- Publication date Feb 4, 2010
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Exhaust system having parallel asymmetric turbochargers and EGR
- Publication number 20100024416
- Publication date Feb 4, 2010
- John R. Gladden
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Exhaust system having series turbochargers and EGR
- Publication number 20100024419
- Publication date Feb 4, 2010
- Caterpillar Inc.
- David Andrew Pierpont
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Engine system having aftertreatment and an intake air heater
- Publication number 20090000604
- Publication date Jan 1, 2009
- Caterpillar Inc.
- Michael S. Bond
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

David Pierpont

Person

Patents Grantslast 30 patents

Recirculation system for a power system that includes a plurality o...

Engine control system and method

Engine brake control according to engine operating parameters

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

Hydraulic early engine exhaust valve opening system

Combustion bowl of a piston for an engine

Method for calculating exhaust temperature

Piston, engine and operating method for reduced production of parti...

Piston having combustion bowl shaped to balance combustion efficien...

Piston having combustion bowl shaped to balance combustion efficien...

Piston having combustion bowl shaped to balance combustion efficien...

Exhaust system

Exhaust system having parallel asymmetric turbochargers and EGR

Engine system having multi-stage turbocharging and exhaust gas reci...

Turbocharger having balance valve, wastegate, and common actuator

Exhaust system having 3-way valve

Exhaust system having series turbochargers and EGR

Exhaust system having parallel asymmetric turbochargers and EGR

EGR system having multiple discharge locations

Engine valve actuator providing Miller cycle benefits

Control system and method for variable valve actuation system

Engine valve actuation system and method

Engine power loss compensation

System and method for controlling engine operation

Variable valve actuation control for operation at altitude

Cooling of engine combustion air

Fuel allocation at idle or light engine load

Patents Applicationslast 30 patents

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

ENGINE BRAKE CONTROL ACCORDING TO ENGINE OPERATING PARAMETERS

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

RECIRCULATION SYSTEM FOR A POWER SYSTEM THAT INCLUDES A PLURALITY O...

SYSTEM AND METHOD FOR ESTIMATING ENGINE PERFORMANCE

SYSTEM AND METHOD FOR ESTIMATING CYLINDER PRESSURE

SYSTEM AND METHOD FOR ESTIMATING EXHAUST MANIFOLD TEMPERATURE

ENGINE CONTROL SYSTEM AND METHOD

Hydraulic Early Engine Exhaust Valve Opening System

COMBUSTION BOWL OF A PISTON FOR AN ENGINE

System and Method for Modelling Engine Components

Method for Calculating Exhaust Temperature

CONTROLLING FLOW OF EXHAUST GAS INTO TURBOCHARGER OF ENGINE

Piston Having Combustion Bowl Shaped to Balance Combustion Efficien...

COMBUSTION BOWL OF PISTON

Piston, Engine And Operating Method For Reduced Production Of Parti...

Piston Having Combustion Bowl Shaped To Balance Combustion Efficien...

EXHAUST SYSTEM

TURBOCHARGER HAVING BALANCE VALVE, WASTEGATE, AND COMMON ACTUATOR

NOZZLED TURBOCHARGER TURBINE

PISTON HAVING COMBUSTION BOWL SHAPED TO BALANCE COMBUSTION EFFICIEN...

Engine system having multi-stage turbocharging and exhaust gas reci...

Exhaust system having parallel asymmetric turbochargers and EGR

EGR system having multiple discharge locations

Exhaust system having 3-way valve

Turbocharger having balance valve, wastegate, and common actuator

Exhaust system having parallel asymmetric turbochargers and EGR

Exhaust system having series turbochargers and EGR

Engine system having aftertreatment and an intake air heater