Inventor

Gopichandra Surnilla

Inventor

West Bloomfield, MI, US

Overview

1998–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 522 as inventor

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

F02Dprimary

F02DControlling combustion engines26%

Y02TClimate change mitigation technologies related to transportation20%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof12%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%

F02BInternal-combustion piston engines7%

F02PIgnition, other than compression ignition, for internal-combustion engines5%

B60WConjoint control of vehicle sub-units of different type or different function3%

F02NStarting of combustion engines2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

G01MTesting static or dynamic balance of machines or structures1%

PatentTitleYear

11,120,689Systems and methods for connected vehicle and mobile device communications2021 11,067,016Method and system for controlling engine fueling2021 11,047,357Methods and systems for determining engine spark timing2021 10,989,126Methods and system for operating an oxygen sensor2021 10,968,853Method and system for air-fuel ratio control2021 10,960,873System and method for a range extender engine of a hybrid electric vehicle2021 10,954,867Methods and systems for estimating a composition of flow through a scavenge exhaust gas recirculation system of a split exhaust engine system2021 10,953,864System and method for a range extender engine of a hybrid electric vehicle2021 10,953,725Method and system for heating a vehicle2021 10,947,932Methods and systems for adjusting a flow of gases in a scavenge exhaust gas recirculation system of a split exhaust engine system2021 10,935,462Method for variable compression ratio engine2021 10,919,495Method and apparatus for dynamic vehicle key generation and handling2021 10,914,229Charge air cooler condensation dispersion element2021 10,883,433Systems and methods for oxygen sensor light-off2021 10,871,118Systems and methods for reducing a light-off time of an oxygen sensor2020 10,865,724Systems and methods for characterization of aged fuel for an engine cold start2020 10,844,824System and method for a range extender engine of a hybrid electric vehicle2020 10,801,462Fuel composition and aging estimation2020 10,801,428Fuel composition and aging estimation2020 10,794,320Methods and system for reducing particulate matter produced by an engine2020 10,781,784System and method for a range extender engine of a hybrid electric vehicle2020 10,767,587Methods and system for injecting water at different groups of cylinders of an engine2020 10,760,518Method and system for characterizing a port fuel injector2020 10,760,514Methods and system for operating an engine2020 10,760,520Method for fuel injection control2020 10,755,580Methods and apparatus to enable vehicle-to-vehicle guidance and tracking2020 10,753,299Systems and methods for a split exhaust engine system2020 10,738,742Method and system for engine water injection2020 10,738,726Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water2020 10,731,593Method and system for fuel injector balancing2020 10,731,580Method for determining a dilution of recirculated gases in a split exhaust engine2020 10,718,289Methods and systems for fixed and variable pressure fuel injection2020 10,711,672Method and system for catalyst temperature control2020 10,690,070Method and system for controlling engine fueling2020 10,648,413Method for determining a dilution of recirculated gases in a split exhaust engine2020 10,626,816Systems and methods for compression heated air2020 10,620,154Compensating oxygen sensor aging2020 10,605,192Methods and system mitigating direct injection degradation2020 10,605,184Methods and systems for adjusting engine airflow based on output from an oxygen sensor2020 10,583,710Systems and methods for calibrating vehicle sensing devices2020 10,582,351Method and apparatus for vehicular communication2020 10,570,872System and method for a range extender engine of a hybrid electric vehicle2020 10,550,783Method and system for engine cold-start2020 10,539,482Oxygen sensor element blackening detection2020 10,528,850Object classification adjustment based on vehicle communication2020 10,525,845Electric vehicle charging station parking spot monitoring system2020 10,465,633Method and system for determining knock control fluid composition2019 10,465,620Systems and methods for LP-EGR delivery in a variable displacement engine2019 10,450,983Method and system for diagnosing operation of an engine compression ratio changing mechanism2019 10,446,033Vehicle detection and avoidance2019 10,429,190Vehicle localization based on wireless local area network nodes2019 10,408,152Methods and system for adjusting cylinder air charge of an engine2019 10,393,056Method and system for characterizing a port fuel injector2019 10,386,345Method and system for an oxygen sensor2019 10,371,068Systems and methods for calibrating vehicle sensing devices2019 10,358,114Method and apparatus for dynamic vehicle key generation and handling2019 10,337,423Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine2019 10,337,430Method and system for determining air-fuel ratio imbalance2019 10,337,416Methods and systems for determining engine misfire2019 10,330,644Systems and methods for humidity determination and uses thereof2019 10,330,003Method and system for controlling fuel usage2019 10,330,040Method and system for air-fuel ratio control2019 10,330,028Method and system for determining knock control fluid composition2019 10,316,798Method and system for determining knock control fluid composition2019 10,316,788Reducing engine misfire due to charge air cooler condensate using in-cylinder enrichment and a positive valve overlap2019 10,316,786Methods and systems for adjusting a direct fuel injector2019 10,316,773Methods and system mitigating port injection degradation2019 10,309,931Systems and methods for humidity determination and uses thereof2019 10,302,596Systems and methods for humidity determination and uses thereof2019 10,294,874Method and system for improved dilution purging2019 10,267,243Method and system for pulsed engine water injection2019 10,259,336Charging a battery using interpack switch2019 10,260,436System and methods for operating an exhaust gas recirculation valve based on a temperature difference of the valve2019 10,247,140Methods and system for adjusting engine water injection2019 10,239,452Minimizing false collision avoidance warnings2019 10,221,821Method for controlling an engine during a restart2019 10,215,135System and methods for extracting water from exhaust gases for water injection2019 10,215,115Methods and systems for individual cylinder air-fuel ratio control in a combustion engine2019 10,208,644Methods and systems for operating an exhaust oxygen sensor based on water contact at the sensor2019 10,190,523Methods and system for reducing particulate matter produced by an engine2019 10,190,541Method and system for engine water injection2019 10,184,429Methods and system for selecting a location for water injection in an engine2019 10,180,120Systems and methods for calibrating vehicle sensing devices2019 10,173,691Vehicle sensor calibration using wireless network-connected sensors2019 10,167,806Methods and system for central fuel injection2019 10,167,819Method and system for engine water injection2019 10,161,347Zero flow lubrication for a high pressure fuel pump2018 10,119,490Methods and systems for central fuel injection2018 10,107,220Systems and methods for a split exhaust engine system2018 10,107,219Method and system for engine cold-start2018 10,100,774Systems and methods for fuel injection2018 10,100,773Method and system for dual fuel engine system2018 10,087,860Engine cold-start control2018 10,082,118System and method for lubricating a fuel pump2018 10,078,033Oxygen sensor element blackening detection2018 10,066,571Methods and system for central fuel injection2018 10,060,369Method for humidity measurement enablement2018 10,060,382Method and system for pre-ignition control2018 10,054,036Methods and system for water injection control2018 10,049,573Active park assist detection of semi-trailer overhang2018 10,041,428Methods and systems for estimating exhaust pressure with a variable voltage oxygen sensor2018 10,030,592Method and system for secondary fluid injection control in an engine2018 10,024,290Method for controlling an engine during a restart2018 10,018,144Methods and system for engine control2018 10,018,156Method and system for engine water injection2018 10,019,854Methods and systems to detect oxygen sensor degradation due to sealant off-gassing2018 10,018,143Methods and system for engine control2018 9,995,234Methods and systems for engine fuel and torque control2018 9,976,503Method for estimating charge air cooler condensation storage and/or release with an intake oxygen sensor2018 9,976,502Methods and system for injecting water at different groups of cylinders of an engine2018 9,976,473Condensation control in a charge air cooler by controlling charge air cooler temperature2018 9,970,348System and methods for adjusting an exhaust gas recirculation valve based on multiple sensor outputs2018 9,957,906Methods and systems for PCV flow estimation with an intake oxygen sensor2018 9,945,310Methods and system for adjusting engine water injection2018 9,945,316Methods and system mitigating direct injection degradation2018 9,938,953Method and system for engine control2018 9,932,938Methods and systems for diagnosing an intake oxygen sensor based on pressure2018 9,926,872'Methods and systems for estimating ambient pressure using an oxygen sensor'2018 9,926,871'Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor'2018 9,920,699'Methods and system for exhaust gas recirculation estimation via an exhaust oxygen sensor'2018 9,909,514'Direct injection of diluents or secondary fuels in gaseous fuel engines'2018 9,903,265'Method for estimating charge air cooler condensation storage with an intake oxygen sensor'2018 9,897,030'Methods and systems for an oxygen sensor'2018 9,897,027'Methods and systems for adjusting EGR based on an impact of PCV hydrocarbons on an intake oxygen sensor'2018 9,897,020'Method and system for engine control'2018 9,885,685'Compensating oxygen sensor aging'2018 9,874,163Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine2018 9,874,549Methods and systems for operating a variable voltage oxygen sensor2018 9,863,353'Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor'2018 9,863,909'Oxygen sensor control based on water contact'2018 9,863,360'Systems and methods for adjusting fuel injection based on a determined fuel rail temperature'2018 9,856,808'Method of fuel injection for a variable displacement engine'2018 9,856,799'Methods and systems for an oxygen sensor'2018 9,845,751Method and system for improved dilution tolerance2017 9,845,760Methods and systems for engine fuel and torque control2017 9,845,749System and methods for diagnosing soot accumulation on an exhaust gas recirculation valve2017 9,840,975'Method and system for secondary fluid injection control in an engine'2017 9,840,976'Method and system for knock control'2017 9,828,949Method and system for humidity sensor diagnostics2017 9,828,948Method and system for determining knock control fluid composition2017 9,803,570'System and method for controlling engine air flow'2017 9,797,343'Determining exhaust gas recirculation cooler fouling using DPOV sensor'2017 9,797,323'Methods and systems for humidity and PCV flow detection via an exhaust gas sensor'2017 9,777,646'Direct injection of diluents or secondary fuels in gaseous fuel engines'2017 9,771,910'Systems and methods for fuel injection'2017 9,759,574'Vehicle emergency broadcast and relay'2017 9,752,530'Methods and systems for fixed and variable pressure fuel injection'2017 9,726,106'Methods and systems for high pressure port fuel injection'2017 9,726,067'Method for adjusting a grille shutter opening'2017 9,719,391'Method and system for vacuum control'2017 9,719,448'Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water'2017 9,714,619'Methods and systems for indicating water at an oxygen sensor based on sensor heater power consumption'2017 9,708,974'Low-pressure EGR control during compressor bypass valve operation'2017 9,708,999'Method and system for engine control'2017 9,709,482'Methods and systems for humidity determination via an oxygen sensor'2017 9,702,307'Method for controlling fuel pressure for a LPG engine'2017 9,689,342'Methods and systems for adjusting a direct fuel injector'2017 9,683,497'Methods and systems for adjusting engine airflow based on output from an oxygen sensor'2017 9,683,500'Method and system for control of an EGR valve during lean operation in a boosted engine system'2017 9,683,513'Methods and systems for learning variability of a direct fuel injector'2017 9,683,512'Pressure device to reduce ticking noise during engine idling'2017 9,664,129'System and methods for operating an exhaust gas recirculation valve based on a temperature difference of the valve'2017 9,664,128'Method and system for knock control'2017 9,664,132'Oxygen sensor control responsive to resistance and impedance'2017 9,664,133'Methods and systems for an intake oxygen sensor'2017 9,664,594'Ambient humidity detection transmission shifts'2017 9,664,104'Condensation control in a charge air cooler by controlling charge air cooler temperature'2017 9,657,680'Zero flow lubrication for a high pressure fuel pump'2017 9,650,942'Engine control coordination with grille shutter adjustment and ambient conditions'2017 9,631,573'Methods and systems for adjusting fueling of engine cylinders'2017 9,611,799'Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor'2017 9,611,801'Methods and systems for fixed and variable pressure fuel injection'2017 9,611,792'Method and system for improved dilution tolerance'2017 9,593,637'Method of diagnosing injector variability in a multiple injector system'2017 9,587,578'Adaptive learning of duty cycle for a high pressure fuel pump'2017 9,574,510'Methods and systems for estimating exhaust pressure with a variable voltage oxygen sensor'2017 9,574,509'System and method for exhaust gas recirculation estimation with two intake oxygen sensors'2017 9,556,771'Method and system for catalyst temperature control'2017 9,528,448'Methods and system for fuel ethanol content estimation and engine control'2016 9,528,476'Methods and systems for diagnosing an intake oxygen sensor based on pressure'2016 9,523,303'System and method for regenerating a particulate filter'2016 9,518,529'Methods and systems for an intake oxygen sensor'2016 9,506,417'Methods for detecting high pressure pump bore wear'2016 9,506,408'Method of fuel injection for a variable displacement engine'2016 9,482,189'Methods and systems for an intake oxygen sensor'2016 9,482,152'Multi-stroke variable displacement engine'2016 9,476,345'Engine cooling fan to reduce charge air cooler corrosion'2016 9,458,806'Methods for correcting spill valve timing error of a high pressure pump'2016 9,453,470'System and method for adjusting engine airflow'2016 9,453,481'System and method for operating an engine'2016 9,453,466'Methods and systems for a fuel system'2016 9,447,742'Method and system for improved dilution purging'2016 9,441,564'Methods and systems for adjusting EGR based on an impact of PCV hydrocarbons on an intake oxygen sensor'2016 9,435,251'Method for estimating charge air cooler condensation storage and/or release with an intake oxygen sensor'2016 9,435,287'Method for fuel injection control'2016 9,429,110'Method and system for vacuum control'2016 9,422,898'Direct injection fuel pump'2016 9,416,740'Method for estimating charge air cooler condensation storage with an intake oxygen sensor while exhaust gas recirculation is flowing'2016 9,410,466'Exhaust humidity sensor'2016 9,410,467'Methods and systems for humidity detection via an exhaust gas sensor'2016 9,404,432'Methods and systems for fuel ethanol content determination via an oxygen sensor'2016 9,404,435'Methods and systems for adjusting fuel injector operation'2016 9,399,968'Engine control for a liquid petroleum gas fueled engine'2016 9,394,843'Method for reducing engine oil dilution'2016 9,382,857'Post fuel injection of gaseous fuel to reduce exhaust emissions'2016 9,382,858'Methods and systems for an oxygen sensor'2016 9,382,880'Methods and systems for a gas constituent sensor'2016 9,376,968'Methods and systems for fuel ethanol content determination via an oxygen sensor'2016 9,371,783'Method and system for improved dilution tolerance'2016 9,366,197'Methods and systems for determining a fuel concentration in engine oil using an intake oxygen sensor'2016 9,353,699'Rapid zero flow lubrication methods for a high pressure pump'2016 9,334,824'Method and system for characterizing a port fuel injector'2016 9,334,826'Method and system for improved dilution tolerance'2016 9,328,677'Usage strategy for mixed gasoline and CNG fueled vehicles'2016 9,328,684'Methods and systems for an intake oxygen sensor'2016 9,328,679'Methods and systems for an oxygen sensor'2016 9,316,161'High pressure fuel pumps with mechanical pressure regulation'2016 9,309,838'Methods and systems for indicating water at an oxygen sensor based on sensor heater power consumption'2016 9,303,577'Method and system for engine cold start and hot start control'2016 9,303,583'Robust direct injection fuel pump system'2016 9,297,329'Method and system for engine control'2016 9,284,909'Method and system for knock control'2016 9,273,602'Intake air oxygen compensation for EGR'2016 9,273,621'Methods and systems for an oxygen sensor'2016 9,273,654'Fuel system for a multi-fuel engine'2016 9,267,453'Learning of EGR valve lift and EGR valve flow transfer function'2016 9,267,457'Method for controlling an engine during a restart'2016 9,255,513'Exhaust air injection'2016 9,255,541'Method and system for engine control'2016 9,243,598'Methods for determining fuel bulk modulus in a high-pressure pump'2016 9,234,476'Methods and systems for determining a fuel concentration in engine oil using an intake oxygen sensor'2016 9,217,405'System and method for lubricating a fuel pump'2015 9,212,644'Methods and systems for assisted direct start control'2015 9,188,087'Ejector flow rate computation for gas constituent sensor compensation'2015 9,188,056'Engine control system and method'2015 9,181,887'Methods and systems for an oxygen sensor'2015 9,175,629'Methods and systems for providing transient torque response'2015 9,175,642'Method and system for an intake humidity sensor'2015 9,175,658'Methods and systems for assisted direct start control'2015 9,163,588'Method and system for humidity sensor diagnostics'2015 9,115,678'Magnetized fuel injector valve and valve seat'2015 9,109,494'Air injection timed with exhaust release'2015 9,109,523'Methods and systems for humidity and PCV flow detection via an exhaust gas sensor'2015 9,103,286'Method and system for engine control'2015 9,103,255'Methods and systems for emission system control'2015 9,074,541'Method and system for control of an EGR valve during lean operation in a boosted engine system'2015 9,074,548'Method and system for humidity sensor diagnostics'2015 9,057,330'Methods and systems for humidity detection via an exhaust gas sensor'2015 9,051,901'Exhaust gas recirculation (EGR) system'2015 9,051,890'Method for estimating charge air cooler condensation storage with an intake oxygen sensor'2015 9,038,580'Method and system for engine dilution control'2015 9,031,764'Engine idle speed and turbocharger speed control'2015 9,014,947'Exhaust-gas regeneration under rich conditions to improve fuel economy'2015 8,925,527'Charge air cooler (CAC) corrosion reduction utilizing grille shutters'2015 8,893,665'Method and system for compensating for alcohol concentration in fuel'2014 8,887,706'Humidity and fuel alcohol content estimation'2014 8,881,713'Method and system for humidity sensor diagnostics'2014 8,857,155'Methods and systems for humidity detection via an exhaust gas sensor'2014 8,838,363'Method for injecting fuel'2014 8,795,135'Method for controlling an engine during a restart'2014 8,776,585'Fuel vapor purging diagnostics'2014 8,776,764'Fuel system for a multi-fuel engine'2014 8,763,594'Humidity and fuel alcohol content estimation'2014 8,755,989'Method and system for controlling fuel usage'2014 8,751,140'Method and system for vehicle refueling'2014 8,733,320'Combustion stability enhancement via internal EGR control'2014 8,733,082'System and method to operate fuel cell in the exhaust of an internal combustion engine'2014 8,727,943'Multi-stroke variable displacement engine'2014 8,731,806'Fuel alcohol content detection via an exhaust gas sensor'2014 8,712,669'Fuel-based injection control'2014 8,701,630'Method and system for controlling fuel usage'2014 8,682,566'Engine idle speed and turbocharger speed control'2014 8,682,565'Methods and systems for engine starting'2014 8,676,479'Methods and systems for assisted direct start control'2014 8,667,780'Methods and systems for emission system control'2014 8,656,715'Methods and systems for emission system control'2014 8,656,870'Control strategy for multi-stroke engine system'2014 8,635,977'Selectively storing reformate'2014 8,620,567'System and method for restarting an engine'2013 8,616,186'Exhaust gas recirculation (EGR) system'2013 8,590,510'Fuel system for a multi-fuel engine'2013 8,583,351'Approach for controlling a vehicle engine that includes an electric boosting device'2013 8,578,893'Multi-stroke hybrid propulsion system'2013 8,574,122'Methods and systems for assisted direct start control'2013 8,534,065'Stored compressed air management for improved engine performance'2013 8,528,332'Stored compressed air management for improved engine performance'2013 8,523,739'Multi-stroke variable displacement engine'2013 8,522,749'Method and system for controlling fuel usage'2013 8,516,816'Avoidance of coolant overheating in exhaust-to-coolant heat exchangers'2013 8,517,893'Transmission scheduling for multi-stroke engine'2013 8,516,799'Methods and systems for emission system control'2013 8,516,980'Method for operating a vehicle with a fuel reformer'2013 8,495,996'Fuel alcohol content detection via an exhaust gas sensor'2013 8,483,937'Method and system for controlling fuel usage'2013 8,474,432'Event-based direct injection engine starting with a variable number of injections'2013 8,464,524'Trap for exhaust system'2013 8,447,496'Fuel-based injection control'2013 8,439,002'Methods and systems for engine control'2013 8,406,983'Engine idle speed and turbocharger speed control'2013 8,401,768'System and method for restarting an engine'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2005Patents assigned to FORD GLOBAL TECH INC (40)· patent assignee history

1998–2005Based in Westland, MI, US· patent location history

2001–2021Based in West Bloomfield, MI, US· patent location history

2003–2021Patents assigned to FORD GLOBAL TECH LLC (479)· patent assignee history

2011–2021Patents assigned to SURNILLA GOPICHANDRA (91)· patent assignee history

2011–2015Patents assigned to PURSIFULL ROSS DYKSTRA (28)· patent assignee history

2012–2015Patents assigned to LEONE THOMAS G (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FORD GLOBAL TECH LLC	479	2003–2021
SURNILLA GOPICHANDRAself	91	2011–2021
FORD GLOBAL TECH INC	40	1998–2005
PURSIFULL ROSS DYKSTRA	28	2011–2015
LEONE THOMAS G	16	2012–2015

Locations

Location	Patents	Span
West Bloomfield, MI, US	512	2001–2021
Westland, MI, US	10	1998–2005