JH

Jeffrey M. Hutmacher

General Motors: 16 patents #874 of 18,328Top 5%
Overall (All Time): #281,562 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12281622 Fuel control system for internal combustion engine having multiple injection systems J. Michael Gwidt 2025-04-22
12196148 Dual fuel injector control method for a vehicle Jesse M. Gwidt, Mark D. Carr 2025-01-14
12140092 Methods and systems for controlling fuel injection J. Michael Gwidt 2024-11-12
11773791 Multi-pulse fuel injection systems and control logic for port fuel injection pulse monitoring in engine assemblies J. Michael Gwidt, Daniel P Himes, Mark D. Carr, Jonathan A. Law 2023-10-03
11661902 Port-direct injection engine systems and methods using ethanol-gasoline fuels J. Michael Gwidt 2023-05-30
11236695 Diagnostic methods and systems Jin Shen, Patricia M. Laskowsky, Dana J. Suttman, Iman Mohammadrezazadeh, Ruggero Scorcioni +1 more 2022-02-01
11098666 System and method for controlling amount of sulfur on three-way catalyst by limiting deceleration cylinder cut off Michael A. Smith, Vijay Ramappan, Michael J. Lucido, Scott T. Feldmann, Randy L. Dufresne 2021-08-24
10914262 Diagnostic methods and systems Patricia M. Laskowsky, Dana J. Suttman, Jin Shen 2021-02-09
10883436 Method and system to control propulsion systems having sensor or actuator degradation Kevin C. Wong, Marcus S. Gilbert 2021-01-05
10526992 Method and system to detect and mitigate sensor degradation Christopher E. Whitney, Kevin C. Wong, Marcus S. Gilbert 2020-01-07
10066576 Dual injection during intake stroke for improved catalyst light off Jesse M. Gwidt, Rafat F. Hattar 2018-09-04
9200975 Pressure diagnostic system and method Rafat F. Hattar, Paul D. Donar, Matthew Hamilton 2015-12-01
8950379 Measured fuel rail pressure adjustment systems and methods Rafat F. Hattar, Paul D. Donar, Alexander Michel, Daniel Weinand, Dieter Wiedenhöft 2015-02-10
8838316 Method of controlling catalyst light-off of a hybrid vehicle Christopher E. Whitney, J Michael Ellenberger, James Nicholson, Rafat F. Hattar 2014-09-16
7848874 Control system and method for starting an engine with port fuel injection and a variable pressure fuel system James D. Hay, Mark D. Carr, Louis A. Avallone, Jon C. Miller 2010-12-07
7793489 Fuel control for robust detection of catalytic converter oxygen storage capacity Wenbo Wang, Richard B. Jess, David N. Belton, Chris R. Thelen, William Western +2 more 2010-09-14