Inventor · disambiguated record
Allen Lehmen
Also filed as: LEHMEN ALLEN · LEHMEN ALLEN J · LEHMEN ALLEN JOSEPH
27 granted patents·200 citations·filing 2000–2021
95Inventor score
Files withFORD GLOBAL TECH LLC15CHIN POH FONG2FORD GLOBAL TECH INC2LEHMEN ALLEN J2CHRISTMAN ANTHONY1
Top patents by PatentIndex Score
27 records- 0198US10323562B2Gasoline particulate filter diagnosticsFORD GLOBAL TECH LLC·Filed 2017·Granted Jun 18, 2019·21 cites·19 claims
- 0294US10928275B1Systems and methods for coordinating engine-off vehicle diagnostic monitorsFORD GLOBAL TECH LLC·Filed 2019·Granted Feb 23, 2021·6 cites·20 claims
- 0393US9399961B2Method and system for air fuel ratio control and detecting cylinder imbalanceFORD GLOBAL TECH LLC·Filed 2014·Granted Jul 26, 2016·13 cites·20 claims
- 0492US11261814B1System and method for detecting engine misfireFORD GLOBAL TECH LLC·Filed 2021·Granted Mar 1, 2022·3 cites·19 claims
- 0590US8489267B1Method and system for adapting engine coolant temperature (ECT) warm-up trajectory based on heater core loading to adjust cabin temperatureLOMBARDO PAUL S·Filed 2012·Granted Jul 16, 2013·15 cites·30 claims
- 0688US9644559B2Systems and methods for improving engine emissions during startingFORD GLOBAL TECH LLC·Filed 2015·Granted May 9, 2017·5 cites·20 claims
- 0787US9470173B2System and method for reducing engine oil dilutionFORD GLOBAL TECH LLC·Filed 2014·Granted Oct 18, 2016·7 cites·18 claims
- 0887US6594562B2Diagnostic method for vehicle evaporative emissionsFORD GLOBAL TECH INC·Filed 2000·Granted Jul 15, 2003·33 cites·17 claims
- 0986US6435164B1Fuel weathering method for vehicle evaporative emission systemFORD GLOBAL TECH INC·Filed 2000·Granted Aug 20, 2002·58 cites·6 claims
- 1084US10598069B2Method and system for regenerating a gasoline particulate filterFORD GLOBAL TECH LLC·Filed 2018·Granted Mar 24, 2020·3 cites·20 claims
- 1179US8328682B2System and method for controlling amount of time needed to commence transmitting engine torque in a vehicleCHRISTMAN ANTHONY·Filed 2010·Granted Dec 11, 2012·5 cites·20 claims
- 1274US7287512B2Throttle position sensorHARLEY DAVIDSON MOTOR CO INC·Filed 2006·Granted Oct 30, 2007·11 cites·20 claims
- 1370US9599052B2Methods and system for catalyst reactivationFORD GLOBAL TECH LLC·Filed 2014·Granted Mar 21, 2017·2 cites·17 claims
- 1469US11073064B2Gasoline particulate filter diagnosticsFORD GLOBAL TECH LLC·Filed 2019·Granted Jul 27, 2021·0 cites·18 claims
- 1568US8290691B2Method and apparatus for optimizing engine on/off cycling in a vehicleLIN CHIHANG·Filed 2009·Granted Oct 16, 2012·9 cites·10 claims
- 1665US8956265B2Method and apparatus for executing a clutch-driven engine autostart operationCHIN POH FONG·Filed 2012·Granted Feb 17, 2015·2 cites·15 claims
- 1760US8968154B2Method and apparatus for controlling a hydraulic pump for a multimode transmission of a powertrain systemCHIN POH FONG·Filed 2012·Granted Mar 3, 2015·1 cites·15 claims
- 1859US8851055B2Method and apparatus for controlling hybrid powertrain system in response to engine temperatureMARTINI RYAN D·Filed 2011·Granted Oct 7, 2014·2 cites·14 claims
- 1958US11073063B2Gasoline particulate filter diagnosticsFORD GLOBAL TECH LLC·Filed 2019·Granted Jul 27, 2021·0 cites·17 claims
- 2058US11041423B2Method and system for leak detection at a particulate filterFORD GLOBAL TECH LLC·Filed 2019·Granted Jun 22, 2021·0 cites·9 claims
- 2158US10041424B2Methods and system for catalyst reactivationFORD GLOBAL TECH LLC·Filed 2017·Granted Aug 7, 2018·0 cites·5 claims
- 2257US10059338B2Method and system for regenerating a gasoline particulate filterFORD GLOBAL TECH LLC·Filed 2015·Granted Aug 28, 2018·1 cites·20 claims
- 2355US11624336B2Methods and system for estimating a temperature of an after treatment device during reactivation of an exhaust after treatment deviceFORD GLOBAL TECH LLC·Filed 2020·Granted Apr 11, 2023·0 cites·6 claims
- 2453US9108620B2Method to reduce powertrain noise and vibration during engine start in hybrid vehicleLEHMEN ALLEN J·Filed 2012·Granted Aug 18, 2015·1 cites·19 claims
- 2550US11274615B2Methods and system for estimating a temperature of an after treatment deviceFORD GLOBAL TECH LLC·Filed 2020·Granted Mar 15, 2022·0 cites·14 claims
- 2646US8214095B2Method and apparatus for detecting engine firing in a hybrid powertrain systemLEHMEN ALLEN J·Filed 2009·Granted Jul 3, 2012·2 cites·11 claims
- 2745US9139194B2Hybrid powertrain input torque managementGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Sep 22, 2015·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →