Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JK

James Michael Kerns — 131 Patents

Ford: 131 patents #65 of 17,473Top 1%
Trenton, MI: #1 of 141 inventorsTop 1%
Michigan: #139 of 86,293 inventorsTop 1%
Overall (All Time): #8,309 of 4,157,543Top 1%
131 Patents All Time

Issued Patents All Time

Showing 101–125 of 131 patents

Patent #TitleCo-InventorsDate
6741918 System and method for detection of degradation of vacuum brake booster sensor John D. Russell 2004-05-25
6732578 Lean engine with brake system 2004-05-11
6715280 Method for low emission vehicle starting with improved fuel economy Donald J. Lewis, Matthew John Gerhart, Ralph Wayne Cunningham 2004-04-06
6666021 Adaptive engine control for low emission vehicle starting Donald J. Lewis, Matthew John Gerhart, Ralph Wayne Cunningham 2003-12-23
6644291 Control method and apparatus for adaptively determining a fuel pulse width David J. Stroh 2003-11-11
6640539 Engine control for low emission vehicle starting Donald J. Lewis, Matthew John Gerhart, Ralph Wayne Cunningham 2003-11-04
6557403 Lean engine with brake system 2003-05-06
6493617 Lean burn engine with brake system John D. Russell 2002-12-10
6481428 Methods and systems for reducing internal combustion engine exhaust emissions Imad Hassan Makki, John Ottavio Michelini, Stephen B. Smith, Thomas Francis Rolewicz, Jr. 2002-11-19
6393345 Method for estimation John D. Russell 2002-05-21
6390040 Valve timing system for dynamically suppressing cylinder knock within a camless engine Mazen Hammoud, Imad Hassan Makki 2002-05-21
6363715 Air/fuel ratio control responsive to catalyst window locator David Karl Bidner, Gopichandra Sumilla, Imad Hassan Makki, Stephen B. Smith 2002-04-02
6363908 Method for ensuring combustion of evaporative fuel in a stratified charge engine using multiple fuel injection pulses 2002-04-02
6356831 Optimization method for shifting gears in a lean capable multi-mode engine with a manual transmission John Ottavio Michelini, Imad Hassan Makki 2002-03-12
6352490 Optimization method for a lean capable multi-mode engine Imad Hassan Makki, John Ottavio Michelini 2002-03-05
6298840 Air/fuel control system and method 2001-10-09
6256982 Fuel vapor purge for a direct injection engine 2001-07-10
6257194 Method to manage internal combustion engine shutdown Imad Hassan Makki, Mazen Hammoud 2001-07-10
6237328 Engine control with a fuel vapor purge system 2001-05-29
6234141 Method of controlling intake manifold pressure during startup of a direct injection engine John Ottavio Michelini, Mathew Alan Boesch 2001-05-22
6233924 Temperature control method for a direct injection engine 2001-05-22
6230484 Direct injection engine control with a fuel vapor purge system 2001-05-15
6192674 Heat generation method in an emission control device 2001-02-27
6192672 Engine control method with multiple emission control devices 2001-02-27
6178944 Valve cleaning method for direct injection spark ignition engine Michael John Cullen 2001-01-30