Inventor
LAHTI JOHN L
US22 patents
⚠️ This page may combine multiple inventors who share the name “LAHTI JOHN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
8 patentsUS7487030B2Feb 3, 2009
Method and apparatus to optimize engine warm up
GM GLOBAL TECH OPERATIONS INC22 citations92
US8010247B2Aug 30, 2011
Method for operating an engine in a hybrid powertrain system
GM GLOBAL TECH OPERATIONS INC29 citations90
US8346418B2Jan 1, 2013
Method of smoothing output torque
GM GLOBAL TECH OPERATIONS INC9 citations84
US7630826B2Dec 8, 2009
Method for on-board diagnosis of cold start emissions reduction control strategy
GM GLOBAL TECH OPERATIONS INC17 citations82
US7493206B2Feb 17, 2009
Method and apparatus to determine instantaneous engine power loss for a powertrain system
GM GLOBAL TECH OPERATIONS INC4 citations63
US7856309B2Dec 21, 2010
Cold start emission reduction strategy for coordinated torque control systems
GM GLOBAL TECH OPERATIONS INC3 citations61
US7610800B2Nov 3, 2009
Method and system for collecting crankshaft position data
GM GLOBAL TECH OPERATIONS INC2 citations59
US8014938B2Sep 6, 2011
Fuel efficiency determination for an engine
GM GLOBAL TECH OPERATIONS INC0 citations51
DEERE & CO
5 patentsUS9291116B2Mar 22, 2016
Engine operation with air system model
DEERE & CO3 citations72
US10830164B2Nov 10, 2020
Fresh air flow and exhaust gas recirculation control system and method
DEERE & CO4 citations70
US9926866B2Mar 27, 2018
System and method for exhaust gas recirculation flow correction using temperature measurements
DEERE & CO4 citations70
US9835094B2Dec 5, 2017
Feed forward exhaust throttle and wastegate control for an engine
DEERE & CO6 citations70
US10634073B2Apr 28, 2020
Variable geometry turbocharger feed forward control system and method
DEERE & CO1 citations59
WISCONSIN ALUMNI RES FOUND
3 patentsUS7275426B2Oct 2, 2007
Internal combustion engine control system
WISCONSIN ALUMNI RES FOUND34 citations91
US6708557B2Mar 23, 2004
Internal combustion engine simulation and testing
WISCONSIN ALUMNI RES FOUND14 citations82
US7124021B2Oct 17, 2006
Engine testing device which simulates dynamic gas exchange
WISCONSIN ALUMNI RES FOUND5 citations61