Inventor
Sai S. V. Rajagopalan
Inventor
Sterling Heights, MI, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines36%
Y02TClimate change mitigation technologies related to transportation24%
F02BInternal-combustion piston engines10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
B60LPropulsion of electrically-propelled vehicles2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
B60WConjoint control of vehicle sub-units of different type or different function2%
F01LCyclically operating valves for machines or engines2%
F02PIgnition, other than compression ignition, for internal-combustion engines2%
PatentTitleYear
10,207,699Hybrid vehicle propulsion systems and methods20199,739,624'Vehicle power management utilizing operator schedule data'20179,689,321'Engine torque control with combustion phasing'20179,689,339'Engine torque control with fuel mass'20179,664,135'Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode'20179,644,543'Prediction of intake manifold pressure in an engine system'20179,617,930'Method and system for controlling a powertrain'20179,470,154'Transition from homogeneous charge compression ignition combustion mode to spark ignited combustion'20169,394,838'Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode'20168,930,121'Offset and slow response diagnostic methods for NOx sensors in vehicle exhaust treatment applications'20158,776,737'Spark ignition to homogenous charge compression ignition transition control systems and methods'20148,694,197'Gain/amplitude diagnostics of NOx sensors'20148,571,785'Universal tracking air-fuel regulator for internal combustion engines'20138,346,458'Compensating for random catalyst behavior'20138,224,557'Control systems and methods using geometry based exhaust mixing model'20127,937,209'Air fuel ratio control system for internal combustion engines'20117,925,421'Off-line calibration of universal tracking air fuel ratio regulators'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (9)· patent assignee history
2011Based in Columbus, OH, US· patent location history
2012–2015Patents assigned to RAJAGOPALAN SAI S V (6)· patent assignee history
2012–2013Patents assigned to DUDEK KENNETH P (3)· patent assignee history
2012–2013Patents assigned to GUEZENNEC YANN G (3)· patent assignee history
2012–2017Based in Sterling Heights, MI, US· patent location history
2016–2019Patents assigned to GM GLOBAL TECH OPERATIONS LLC (8)· patent assignee history
2017–2019Based in Bloomfield Hills, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 9 | 2011–2016 |
| GM GLOBAL TECH OPERATIONS LLC | 8 | 2016–2019 |
| RAJAGOPALAN SAI S Vself | 6 | 2012–2015 |
| DUDEK KENNETH P | 3 | 2012–2013 |
| GUEZENNEC YANN G | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sterling Heights, MI, US | 9 | 2012–2017 |
| Bloomfield Hills, MI, US | 6 | 2017–2019 |
| Columbus, OH, US | 2 | 2011 |