PS

Patrick G. Szymkowicz

General Motors: 19 patents #701 of 18,328Top 4%
Overall (All Time): #230,511 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12338762 Exhaust gas treatment system for controlling hydrocarbon adsorption/desorption in hydrocarbon trap Yuntao Gu, Wei Li, Calvin J. Thomas, Mingjie Tu 2025-06-24
11802502 Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H2O traps Mingjie Tu, Yuntao Gu, Calvin J. Thomas 2023-10-31
9551248 Method and apparatus to recover exhaust gas recirculation coolers Alok Warey, Sandro Balestrino, Richard Curwood Peterson 2017-01-24
9145853 Exhaust gas recirculation cooler and system Alan L. Browne, Nancy L. Johnson 2015-09-29
9109518 Method and apparatus for monitoring performance of EGR heat exchanger Sandro Balestrino, Alok Warey, Xiaobin Li 2015-08-18
9097214 Exhaust gas recirculation system having active material actuated by-pass Alan L. Browne, Nancy L. Johnson 2015-08-04
8820301 Modulating hydrodynamic flow characteristics to alleviate automotive heat exchanger contamination Alexander Knafl 2014-09-02
8615983 Heat exchanger method and apparatus for engine exhaust gas recirculation system Alexander Knafl 2013-12-31
8484790 Exhaust Gas Recirculation cooler cleaner having active material actuator Alexander Knafl, Alan L. Browne, Nancy L. Johnson 2013-07-16
8146555 Direct-injection spark-ignition system Arun S. Solomon, Ronald M. Otto 2012-04-03
7921828 Modulating flow through an exhaust gas recirculation cooler to maintain gas flow velocities conducive to reducing deposit build-ups Alexander Knafl 2011-04-12
7669584 Method and apparatus for determining piston position in an engine Frederic Anton Matekunas, Paul Anthony Battiston, Anupam Gangopadhyay 2010-03-02
7594493 Method for controlling fuel injection in a compression ignition engine Frederic Anton Matekunas, Paul Anthony Battiston, Anupam Gangopadhyay 2009-09-29
7418336 Method for internal combustion engine control using pressure ratios Frederic Anton Matekunas, Paul Anthony Battiston, Anupam Gangopadhyay 2008-08-26
7231905 Internal combustion engine exhaust gas recirculation control Ibrahim Haskara, Anupam Gangopadhyay, Paul Anthony Battiston, Frederic Anton Matekunas 2007-06-19
7231906 Simultaneous EGR correction and individual cylinder combustion phase balancing Ibrahim Haskara, Anupam Gangopadhyay, Paul Anthony Battiston, Frederic Anton Matekunas 2007-06-19
6981367 Hydrogen and oxygen generation from a water vapor containing exhaust Paul Childs, Anthony B. LaConti, Keith D. Patch, Norman D. Brinkman, David R. Monroe +1 more 2006-01-03
6915629 After-treatment system and method for reducing emissions in diesel engine exhaust 2005-07-12
6907725 Method for reducing engine exhaust emissions Arjun D. Tuteja, Roger B. Krieger 2005-06-21