Inventor

Rafat F. Hattar

Inventor

Royal Oak, MI, US

Overview

18→

Patents

2012–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Dprimary

F02DControlling combustion engines32%

Y02TClimate change mitigation technologies related to transportation22%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%

F02PIgnition, other than compression ignition, for internal-combustion engines6%

F02NStarting of combustion engines4%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%

B60WConjoint control of vehicle sub-units of different type or different function2%

B60YIndexing scheme relating to aspects cross-cutting vehicle technology2%

F02BInternal-combustion piston engines2%

PatentTitleYear

10,683,820Method and system for regenerating a gasoline particulate filter in a vehicle propulsion system2020 10,655,550Intake manifold and cylinder airflow estimation systems and methods2020 10,577,998Method for controlling a regeneration of a particle filter of an internal combustion engine2020 10,415,453Active regeneration method for a gasoline particulate filter of an internal combustion engine2019 10,167,796Gasoline particulate filter regeneration strategy2019 10,167,803Systems and methods for performing prognosis of fuel delivery2019 10,161,370Systems and methods for performing prognosis of fuel delivery systems2018 10,161,348Method and system for fuel control in a vehicle propulsion system2018 10,156,175Method and system for rationalizing a delta pressure sensor for a gasoline particulate filter in a vehicle propulsion system2018 10,066,576Dual injection during intake stroke for improved catalyst light off2018 9,567,915'System and method for controlling a low pressure pump to prevent vaporization of fuel at an inlet of a high pressure pump'2017 9,228,516'Fuel pump prime activated by door sensor'2016 9,217,386'System and method for preventing stochastic pre-ignition'2015 9,200,975'Pressure diagnostic system and method'2015 9,115,684'Engine startup control systems and methods'2015 8,950,379'Measured fuel rail pressure adjustment systems and methods'2015 8,838,316'Method of controlling catalyst light-off of a hybrid vehicle'2014 8,280,612'Multi-pulse enable determination and transition control systems and methods'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (7)· patent assignee history

2012–2016Patents assigned to HATTAR RAFAT F (4)· patent assignee history

2012Based in Macomb, MI, US· patent location history

2014–2020Based in Royal Oak, MI, US· patent location history

2015Patents assigned to DONAR PAUL D (2)· patent assignee history

2015Patents assigned to HUTMACHER JEFFREY M (2)· patent assignee history

2015Based in Milford, MI, US· patent location history

2017–2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GM GLOBAL TECH OPERATIONS LLC	11	2017–2020
GM GLOBAL TECH OPERATIONS INC	7	2012–2016
HATTAR RAFAT Fself	4	2012–2016
DONAR PAUL D	2	2015
HUTMACHER JEFFREY M	2	2015

Locations

Location	Patents	Span
Royal Oak, MI, US	16	2014–2020
Milford, MI, US	1	2015
Macomb, MI, US	1	2012