Ramappan; Vijay

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ramappan; Vijay.The latest application filed is for "cylinder imbalance correction system and method".

Company Profile

3.62.51

Ramappan; Vijay - Novi MI
Ramappan; Vijay - Pittsford NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cylinder imbalance correction system and method Grant 11,168,627 - Smith , et al. November 9, 2	2021-11-09
Cylinder Imbalance Correction System And Method App 20210148293 - Smith; Michael A. ; et al.	2021-05-20
Generalized cold start emissions reduction strategy Grant 10,808,594 - Dimoski , et al. October 20, 2	2020-10-20
Coolant control systems and methods to prevent coolant boiling Grant 10,480,391 - Gonze , et al. Nov	2019-11-19
Generalized Cold Start Emissions Reduction Strategy App 20190323407 - Dimoski; Daniel S. ; et al.	2019-10-24
Engine off cooling strategy Grant 9,964,022 - Gonze , et al. May 8, 2	2018-05-08
Coolant pump control systems and methods for backpressure compensation Grant 9,957,875 - Gonze , et al. May 1, 2	2018-05-01
Exhaust gas recirculation control systems and methods Grant 9,932,917 - Ramappan , et al. April 3, 2	2018-04-03
Flexible engine metal warming system and method for an internal combustion engine Grant 9,869,223 - Gonze , et al. January 16, 2	2018-01-16
Systems for regeneration of a gasoline particulate filter Grant 9,863,337 - Ramappan , et al. January 9, 2	2018-01-09
System and method for controlling inlet coolant temperature of an internal combustion engine Grant 9,840,962 - Gonze , et al. December 12, 2	2017-12-12
Engine out coolant temperature correction Grant 9,719,406 - Gonze , et al. August 1, 2	2017-08-01
System and method for engine block cooling Grant 9,719,408 - Gonze , et al. August 1, 2	2017-08-01
Electric coolant pump diagnostic systems and methods Grant 9,599,011 - Gonze , et al. March 21, 2	2017-03-21
System and method for diagnosing a fault in a partitioned coolant valve Grant 9,540,987 - Gonze , et al. January 10, 2	2017-01-10
System And Method For Controlling Inlet Coolant Temperature Of An Internal Combustion Engine App 20160376978 - GONZE; Eugene V. ; et al.	2016-12-29
External EGR rate feedback Grant 9,506,420 - Ramappan , et al. November 29, 2	2016-11-29
Engine Off Cooling Strategy App 20160281584 - GONZE; Eugene V. ; et al.	2016-09-29
Engine Out Coolant Temperature Correction App 20160201547 - GONZE; Eugene V. ; et al.	2016-07-14
Exhaust gas recirculation control systems and methods Grant 9,341,133 - Naik , et al. May 17, 2	2016-05-17
Systems For Regeneration Of A Gasoline Particulate Filter App 20160123200 - RAMAPPAN; VIJAY ; et al.	2016-05-05
System And Method For Engine Block Cooling App 20160053665 - Gonze; Eugene V. ; et al.	2016-02-25
Flexible Engine Metal Warming System And Method For An Internal Combustion Engine App 20160053646 - GONZE; EUGENE V. ; et al.	2016-02-25
Coolant Pump Control Systems And Methods For Backpressure Compensation App 20160047291 - GONZE; EUGENE V. ; et al.	2016-02-18
Electric Coolant Pump Diagnostic Systems And Methods App 20160047374 - GONZE; EUGENE V. ; et al.	2016-02-18
Coolant Control Systems And Methods To Prevent Coolant Boiling App 20160047293 - GONZE; EUGENE V. ; et al.	2016-02-18
System And Method For Diagnosing A Fault In A Partitioned Coolant Valve App 20160047292 - GONZE; EUGENE V. ; et al.	2016-02-18
Selective exhaust gas recirculation diagnostic systems and methods Grant 9,157,390 - Song , et al. October 13, 2	2015-10-13
Systems and methods for controlling engine combustion stability Grant 8,915,236 - Ramappan , et al. December 23, 2	2014-12-23
System and method for controlling intake valve timing in homogeneous charge compression ignition engines Grant 8,868,319 - Burleigh , et al. October 21, 2	2014-10-21
Exhaust Gas Recirculation Control Systems And Methods App 20140257673 - Naik; Sanjeev M. ; et al.	2014-09-11
External Egr Rate Feedback App 20140222318 - Ramappan; Vijay ; et al.	2014-08-07
HCCI mode switching control system and method Grant 8,776,762 - Rayl , et al. July 15, 2	2014-07-15
System and method for torque control in a homogeneous charge compression ignition engine Grant 8,755,987 - Ramappan , et al. June 17, 2	2014-06-17
Electric cam phaser control systems and methods Grant 8,726,880 - Stewart , et al. May 20, 2	2014-05-20
Exhaust Gas Recirculation Control Systems And Methods App 20130253798 - Ramappan; Vijay ; et al.	2013-09-26
Systems and methods for heating intake air during cold HCCI operation Grant 8,539,932 - Ramappan , et al. September 24, 2	2013-09-24
Systems And Methods For Adjusting An Estimated Flow Rate Of Exhaust Gas Passing Through An Exhaust Gas Recirculation Valve App 20130226435 - Wasberg; Jon C. ; et al.	2013-08-29
Control systems for a variable capacity engine oil pump Grant 8,499,738 - Storch , et al. August 6, 2	2013-08-06
System and method for controlling exhaust gas recirculation systems Grant 8,463,531 - Ramappan , et al. June 11, 2	2013-06-11
Control system and method for low quantity fuel injection Grant 8,452,520 - Ramappan , et al. May 28, 2	2013-05-28
System and method for improved transitions between engine combustion modes Grant 8,433,500 - Ramappan , et al. April 30, 2	2013-04-30
Selective Exhaust Gas Recirculation Diagnostic Systems And Methods App 20130073179 - Song; B. Jerry ; et al.	2013-03-21
System and method for controlling a catalyst temperature in an HCCI combustion engine Grant 8,397,490 - Shibata , et al. March 19, 2	2013-03-19
Systems and methods for exhaust gas recirculation control in homogeneous charge compression ignition engine systems Grant 8,381,700 - Ramappan , et al. February 26, 2	2013-02-26
Electric Cam Phaser Control Systems And Methods App 20120318223 - Stewart; Etsuko Muraji ; et al.	2012-12-20
System and method for controlling transient switching between HCCI mode and SI mode of an engine Grant 8,322,324 - Ramappan , et al. December 4, 2	2012-12-04
HCCI mode switching control system and method Grant 8,316,818 - Ramappan , et al. November 27, 2	2012-11-27
System And Method For Torque Control In A Homogeneous Charge Compression Ignition Engine App 20120296557 - Ramappan; Vijay ; et al.	2012-11-22
System And Method For Controlling Intake Valve Timing In Homogeneous Charge Compression Ignition Engines App 20120296556 - Burleigh; Darrell W. ; et al.	2012-11-22
Method for controlling combustion mode transitions for an internal combustion engine Grant 8,290,686 - Kang , et al. October 16, 2	2012-10-16
Systems And Methods For Controlling Engine Combustion Stability App 20120247439 - Ramappan; Vijay ; et al.	2012-10-04
HCCI combustion moding state control for fuel economy and seamless transitions Grant 8,276,551 - Ramappan , et al. October 2, 2	2012-10-02
HCCI/SI combustion switching control system and method Grant 8,220,436 - Rayl , et al. July 17, 2	2012-07-17
Closed-loop adaptation of homogenous charge compression ignition operating zone based on ringing index Grant 8,160,802 - Ramappan , et al. April 17, 2	2012-04-17
Diagnostic systems and methods for fuel injectors in homogenous charge compression ignition engine systems Grant 8,118,010 - Shibata , et al. February 21, 2	2012-02-21
Camshaft phasor synchronization system for an engine Grant 8,086,388 - Cinpinski , et al. December 27, 2	2011-12-27
Control System And Method For Low Quantity Fuel Injection App 20110295488 - Ramappan; Vijay ; et al.	2011-12-01
System And Method For Improved Transitions Between Engine Combustion Modes App 20110295487 - Ramappan; Vijay ; et al.	2011-12-01
System And Method For Controlling Exhaust Gas Recirculation Systems App 20110290224 - Ramappan; Vijay ; et al.	2011-12-01
Control strategy for transitioning among combustion modes in an internal combustion engine Grant 8,036,807 - Kang , et al. October 11, 2	2011-10-11
Control Systems For A Variable Capacity Engine Oil Pump App 20110209682 - Storch; Kevin J. ; et al.	2011-09-01
Active combustion control based on ringing index for reducing homogenous charge compression ignition (HCCI) combustion noise Grant 8,000,882 - Ramappan , et al. August 16, 2	2011-08-16
Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignition Grant 7,975,668 - Ramappan , et al. July 12, 2	2011-07-12
Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modes Grant 7,963,268 - Kang , et al. June 21, 2	2011-06-21
Systems And Methods For Exhaust Gas Recirculation Control In Homogeneous Charge Compression Ignition Engine Systems App 20110132316 - Ramappan; Vijay ; et al.	2011-06-09
Systems And Methods For Heating Intake Air During Cold Hcci Operation App 20110132317 - Ramappan; Vijay ; et al.	2011-06-09
Hcci Mode Switching Control System And Method App 20110132318 - Rayl; Allen B. ; et al.	2011-06-09
Diagnostic Systems And Methods For Fuel Injectors In Homogenous Charge Compression Ignition Engine Systems App 20110079193 - Shibata; Jonathan T. ; et al.	2011-04-07
System And Method For Controlling A Catalyst Temperature In An Hcci Combustion Engine App 20110016850 - Shibata; Jonathan T. ; et al.	2011-01-27
System And Method For Controlling Transient Switching Between Hcci Mode And Si Mode Of An Engine App 20100275877 - Ramappan; Vijay ; et al.	2010-11-04
Hcci Mode Switching Control System And Method App 20100274465 - Ramappan; Vijay ; et al.	2010-10-28
Closed-loop Adaptation Of Homogenous Charge Compression Ignition Operating Zone Based On Ringing Index App 20100274464 - Ramappan; Vijay ; et al.	2010-10-28
Multi-injection combustion cycle systems for SIDI engines Grant 7,765,053 - Gwidt , et al. July 27, 2	2010-07-27
Hcci Combustion Moding State Control For Fuel Economy And Seamless Transitions App 20100162991 - Ramappan; Vijay ; et al.	2010-07-01
Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines Grant 7,742,869 - Ramappan , et al. June 22, 2	2010-06-22
Method and apparatus for monitoring an EGR valve in an internal combustion engine Grant 7,739,027 - Kang , et al. June 15, 2	2010-06-15
HCCI combustion moding state control for fuel economy and seamless transitions Grant 7,729,844 - Rayl , et al. June 1, 2	2010-06-01
Active Combustion Control Based On Ringing Index For Reducing Homogenous Charge Compression Ignition (hcci) Combustion Noise App 20090319159 - Ramappan; Vijay ; et al.	2009-12-24
Multiple injection blend for direct injected engines Grant 7,599,785 - Gwidt , et al. October 6, 2	2009-10-06
Spark Timing And Control During Transitions Between Spark Ignited Combustion And Homogenous Charge Compression Ignition App 20090229562 - Ramappan; Vijay ; et al.	2009-09-17
Method For Controlling Combustion Mode Transitions For An Internal Combustion Engine App 20090229565 - Kang; Jun-Mo ; et al.	2009-09-17
Hcci/si Combustion Switching Control System And Method App 20090229563 - Rayl; Allen B. ; et al.	2009-09-17
Control Strategy For Transitions Between Homogeneous-charge Compression-ignition And Spark-ignition Combustion Modes App 20090229564 - Kang; Jun-Mo ; et al.	2009-09-17
Hcci Combustion Moding State Control For Fuel Economy And Seamless Transitions App 20090234560 - Rayl; Allen B. ; et al.	2009-09-17
Control Strategy For Transitioning Among Combustion Modes In An Internal Combustion Engine App 20090234556 - Kang; Jun-Mo ; et al.	2009-09-17
Camshaft Phasor Synchronization System For An Engine App 20090223472 - Cinpinski; Kenneth J. ; et al.	2009-09-10
Late Intake Valve Closing To Improve Cold Startability For Spark-ignition Direct-injection (sidi) Engines App 20090216428 - Ramappan; Vijay ; et al.	2009-08-27
Method And Apparatus For Monitoring An Egr Valve In An Internal Combustion Engine App 20090048765 - Kang; Jun-Mo ; et al.	2009-02-19
Multi-injection Combustion Cycle Systems For Sidi Engines App 20090038583 - Gwidt; Jesse M. ; et al.	2009-02-12
Engine cranking system with cylinder deactivation for a direct injection engine Grant 7,478,625 - Gwidt , et al. January 20, 2	2009-01-20
Multiple Injection Blend For Direct Injected Engines App 20080196693 - Gwidt; Jesse M. ; et al.	2008-08-21
Multiple Injection Blend For Direct Injected Engines App 20080196694 - Ramappan; Vijay ; et al.	2008-08-21
Multiple injection blend for direct injected engines Grant 7,415,348 - Ramappan , et al. August 19, 2	2008-08-19
Method to control auto-ignition in an internal combustion engine equipped with variable valve timing control Grant 7,131,425 - Ramappan , et al. November 7, 2	2006-11-07
Method To Control Auto-ignition In An Internal Combustion Engine Equipped With Variable Valve Timing Control App 20060225700 - Ramappan; Vijay ; et al.	2006-10-12

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