Rafat F. Hattar

Person

Royal Oak, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for evaluating a NOx sensor
- Patent number 12,085,035
- Issue date Sep 10, 2024
- GM Global Technology Operations LLC
- Erika L. Pruski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine emission control systems for deceleration fuel cutoff events...
- Patent number 11,913,401
- Issue date Feb 27, 2024
- GM Global Technology Operations LLC
- Chengke Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Vehicle systems and methods for aftertreatment preheating
- Patent number 11,885,250
- Issue date Jan 30, 2024
- GM Global Technology Operations LLC
- Vijay A. Ramappan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for recirculation of engine exhaust gas within...
- Patent number 11,788,455
- Issue date Oct 17, 2023
- GM Global Technology Operations LLC
- Chengke Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for recirculation of engine exhaust gas within...
- Patent number 11,725,601
- Issue date Aug 15, 2023
- GM Global Technology Operations LLC
- Chengke Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods of engine exhaust air injection before and afte...
- Patent number 11,629,625
- Issue date Apr 18, 2023
- GM Global Technology Operatons LLC
- Chengke Liu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine systems with exhaust air injection after three-way catalytic...
- Patent number 11,519,317
- Issue date Dec 6, 2022
- GM Global Technology Operations LLC
- Chengke Liu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and system for regenerating a gasoline particulate filter in...
- Patent number 10,683,820
- Issue date Jun 16, 2020
- GM Global Technology Operations LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Intake manifold and cylinder airflow estimation systems and methods
- Patent number 10,655,550
- Issue date May 19, 2020
- GM Global Technology Operations LLC
- Christopher E. Whitney
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for controlling a regeneration of a particle filter of an in...
- Patent number 10,577,998
- Issue date Mar 3, 2020
- GM Global Technology Operations LLC
- Alexander Michel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Active regeneration method for a gasoline particulate filter of an...
- Patent number 10,415,453
- Issue date Sep 17, 2019
- GM Global Technology Operations LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gasoline particulate filter regeneration strategy
- Patent number 10,167,796
- Issue date Jan 1, 2019
- GM Global Technology Operations LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for performing prognosis of fuel delivery
- Patent number 10,167,803
- Issue date Jan 1, 2019
- GM Global Technology Operations LLC
- Azeem Sarwar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for performing prognosis of fuel delivery systems
- Patent number 10,161,370
- Issue date Dec 25, 2018
- GM Global Technology Operations LLC
- Azeem Sarwar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for fuel control in a vehicle propulsion system
- Patent number 10,161,348
- Issue date Dec 25, 2018
- Andrew M. Shaw
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for rationalizing a delta pressure sensor for a g...
- Patent number 10,156,175
- Issue date Dec 18, 2018
- Rafat F. Hattar
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Dual injection during intake stroke for improved catalyst light off
- Patent number 10,066,576
- Issue date Sep 4, 2018
- GM Global Technology Operations LLC
- Jesse Michael Gwidt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for controlling a low pressure pump to prevent va...
- Patent number 9,567,915
- Issue date Feb 14, 2017
- GM Global Technology Operations LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel pump prime activated by door sensor
- Patent number 9,228,516
- Issue date Jan 5, 2016
- GM Global Technology Operations LLC
- Dean R. Kwapis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for preventing stochastic pre-ignition
- Patent number 9,217,386
- Issue date Dec 22, 2015
- GM Global Technology Operations LLC
- Dean R. Kwapis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Pressure diagnostic system and method
- Patent number 9,200,975
- Issue date Dec 1, 2015
- GM Global Technology Operations LLC
- Rafat F. Hattar
- G01 - MEASURING TESTING
Information Patent Grant
Engine startup control systems and methods
- Patent number 9,115,684
- Issue date Aug 25, 2015
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Measured fuel rail pressure adjustment systems and methods
- Patent number 8,950,379
- Issue date Feb 10, 2015
- GM Global Technology Operations LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of controlling catalyst light-off of a hybrid vehicle
- Patent number 8,838,316
- Issue date Sep 16, 2014
- GM Global Technology Operations LLC
- Christopher E. Whitney
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Multi-pulse enable determination and transition control systems and...
- Patent number 8,280,612
- Issue date Oct 2, 2012
- GM Global Technology Operations LLC
- Christopher E. Whitney
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR COLLECTION AND ANALYSIS OF VEHICLULAR DATA
- Publication number 20240278793
- Publication date Aug 22, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Janean Ellen Potter
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR EVALUATING A NOx SENSOR
- Publication number 20240159197
- Publication date May 16, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Erika L. Pruski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
NOX FORMATION PREDICTION FOR IMPROVED CATALYTIC CONVERTER CONTROL
- Publication number 20200116093
- Publication date Apr 16, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jianyang Geng
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
REMEDIAL ACTION FOR INVALID PARTICULATE FILTER SOOT
- Publication number 20190376460
- Publication date Dec 12, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alexander Michel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD AND SYSTEM FOR REGENERATING A GASOLINE PARTICULATE FILTER IN...
- Publication number 20190234329
- Publication date Aug 1, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ACTIVE REGENERATION METHOD FOR A GASOLINE PARTICULATE FILTER OF AN...
- Publication number 20190063295
- Publication date Feb 28, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD OF DIAGNOSING A HIGH PRESSURE FUEL DELIVERY SYSTEM
- Publication number 20190040812
- Publication date Feb 7, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Azeem Sarwar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD FOR REGENERATING A PARTICLE FILTER FOR AN INTERNAL COMBUSTIO...
- Publication number 20190010882
- Publication date Jan 10, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alexander Michel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD FOR CONTROLLING A REGENERATION OF A PARTICLE FILTER OF AN IN...
- Publication number 20180347434
- Publication date Dec 6, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Alexander Michel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD OF EXHAUST TEMPERATURE PREDICTION
- Publication number 20180347435
- Publication date Dec 6, 2018
- Chao F. Daniels
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GASOLINE PARTICULATE FILTER REGENERATION STRATEGY
- Publication number 20180334977
- Publication date Nov 22, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DUAL INJECTION DURING INTAKE STROKE FOR IMPROVED CATALYST LIGHT OFF
- Publication number 20180030918
- Publication date Feb 1, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Jesse Michael Gwidt
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Systems and Methods For Performing Prognosis Of Fuel Delivery
- Publication number 20170350340
- Publication date Dec 7, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Azeem Sarwar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS FOR PERFORMING PROGNOSIS OF FUEL DELIVERY SYSTEMS
- Publication number 20170298883
- Publication date Oct 19, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Azeem Sarwar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTAKE MANIFOLD AND CYLINDER AIRFLOW ESTIMATION SYSTEMS AND METHODS
- Publication number 20170016407
- Publication date Jan 19, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Christopher E. WHITNEY
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING AIR FLOW THROUGH AN ENGINE BASED...
- Publication number 20150039208
- Publication date Feb 5, 2015
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE STARTUP CONTROL SYSTEMS AND METHODS
- Publication number 20140343812
- Publication date Nov 20, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING A LOW PRESSURE PUMP TO PREVENT VA...
- Publication number 20140251269
- Publication date Sep 11, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR PREVENTING STOCHASTIC PRE-IGNITION
- Publication number 20140222315
- Publication date Aug 7, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Dean R. Kwapis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD OF CONTROLLING CATALYST LIGHT-OFF OF A HYBRID VEHICLE
- Publication number 20140100728
- Publication date Apr 10, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Christopher E. Whitney
- B60 - VEHICLES IN GENERAL
Information Patent Application
MEASURED FUEL RAIL PRESSURE ADJUSTMENT SYSTEMS AND METHODS
- Publication number 20140067232
- Publication date Mar 6, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL PUMP PRIME ACTIVATED BY DOOR SENSOR
- Publication number 20140067242
- Publication date Mar 6, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Dean R. Kwapis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRESSURE DIAGNOSTIC SYSTEM AND METHOD
- Publication number 20130124144
- Publication date May 16, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Rafat F. Hattar
- G01 - MEASURING TESTING
Information Patent Application
MULTI-PULSE ENABLE DETERMINATION AND TRANSITION CONTROL SYSTEMS AND...
- Publication number 20100057330
- Publication date Mar 4, 2010
- GM Global Technology Operations, Inc.
- Christopher E. Whitney
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Rafat F. Hattar

Person

Patents Grantslast 30 patents

Method and system for evaluating a NOx sensor

Engine emission control systems for deceleration fuel cutoff events...

Vehicle systems and methods for aftertreatment preheating

Systems and methods for recirculation of engine exhaust gas within...

Systems and methods for recirculation of engine exhaust gas within...

Systems and methods of engine exhaust air injection before and afte...

Engine systems with exhaust air injection after three-way catalytic...

Method and system for regenerating a gasoline particulate filter in...

Intake manifold and cylinder airflow estimation systems and methods

Method for controlling a regeneration of a particle filter of an in...

Active regeneration method for a gasoline particulate filter of an...

Gasoline particulate filter regeneration strategy

Systems and methods for performing prognosis of fuel delivery

Systems and methods for performing prognosis of fuel delivery systems

Method and system for fuel control in a vehicle propulsion system

Method and system for rationalizing a delta pressure sensor for a g...

Dual injection during intake stroke for improved catalyst light off

System and method for controlling a low pressure pump to prevent va...

Fuel pump prime activated by door sensor

System and method for preventing stochastic pre-ignition

Pressure diagnostic system and method

Engine startup control systems and methods

Measured fuel rail pressure adjustment systems and methods

Method of controlling catalyst light-off of a hybrid vehicle

Multi-pulse enable determination and transition control systems and...

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR COLLECTION AND ANALYSIS OF VEHICLULAR DATA

METHOD AND SYSTEM FOR EVALUATING A NOx SENSOR

NOX FORMATION PREDICTION FOR IMPROVED CATALYTIC CONVERTER CONTROL

REMEDIAL ACTION FOR INVALID PARTICULATE FILTER SOOT

METHOD AND SYSTEM FOR REGENERATING A GASOLINE PARTICULATE FILTER IN...

ACTIVE REGENERATION METHOD FOR A GASOLINE PARTICULATE FILTER OF AN...

METHOD OF DIAGNOSING A HIGH PRESSURE FUEL DELIVERY SYSTEM

METHOD FOR REGENERATING A PARTICLE FILTER FOR AN INTERNAL COMBUSTIO...

METHOD FOR CONTROLLING A REGENERATION OF A PARTICLE FILTER OF AN IN...

METHOD OF EXHAUST TEMPERATURE PREDICTION

GASOLINE PARTICULATE FILTER REGENERATION STRATEGY

DUAL INJECTION DURING INTAKE STROKE FOR IMPROVED CATALYST LIGHT OFF

Systems and Methods For Performing Prognosis Of Fuel Delivery

SYSTEMS AND METHODS FOR PERFORMING PROGNOSIS OF FUEL DELIVERY SYSTEMS

INTAKE MANIFOLD AND CYLINDER AIRFLOW ESTIMATION SYSTEMS AND METHODS

SYSTEM AND METHOD FOR CONTROLLING AIR FLOW THROUGH AN ENGINE BASED...

ENGINE STARTUP CONTROL SYSTEMS AND METHODS

SYSTEM AND METHOD FOR CONTROLLING A LOW PRESSURE PUMP TO PREVENT VA...

SYSTEM AND METHOD FOR PREVENTING STOCHASTIC PRE-IGNITION

METHOD OF CONTROLLING CATALYST LIGHT-OFF OF A HYBRID VEHICLE

MEASURED FUEL RAIL PRESSURE ADJUSTMENT SYSTEMS AND METHODS

FUEL PUMP PRIME ACTIVATED BY DOOR SENSOR

PRESSURE DIAGNOSTIC SYSTEM AND METHOD

MULTI-PULSE ENABLE DETERMINATION AND TRANSITION CONTROL SYSTEMS AND...