JR

John M. Roth

Ford: 17 patents #1,023 of 17,473Top 6%
Overall (All Time): #251,931 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11767803 Internal combustion engine system Kotha Ramesh Kumar, John Patrick Dowell, Jason Lymangrover 2023-09-26
11073059 Method and system for exhaust air injection Jason Williams 2021-07-27
10883433 Systems and methods for oxygen sensor light-off Christopher Paul Glugla, Kenneth Ellison, Hao Zhang, Gopichandra Surnilla, John Joseph Virga +1 more 2021-01-05
9027531 Ignition energy control for mixed fuel engine Mark W. Peters, Jason Eugene Devries, John Hedges 2015-05-12
8584650 Ignition energy control for mixed fuel engine Mark W. Peters, Jason Eugene Devries, John Hedges 2013-11-19
8464524 Trap for exhaust system David Karl Bidner, Ken Jahr, Gopichandra Surnilla, James Michael Kerns, Timothy Joseph Clark 2013-06-18
8166952 Fuel injection control during start-up David Karl Bidner, Mark W. Peters 2012-05-01
8161732 System and method to improve engine emissions for a dual fuel engine Mark W. Peters, Ken Jahr, Jason Eugene Devries, John Hedges 2012-04-24
8020532 Fuel injection control during start-up David Karl Bidner, Mark W. Peters 2011-09-20
7921833 Fuel injection control during start-up David Karl Bidner, Mark W. Peters 2011-04-12
7234436 Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics Gopichandra Surnilla, John Ottavio Michelini 2007-06-26
7069910 Overall scheduling of a lean burn engine system Gopichandra Surnilla 2006-07-04
7047932 Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics Gopichandra Surnilla, John Ottavio Michelini 2006-05-23
6925982 Overall scheduling of a lean burn engine system Gopichandra Surnilla 2005-08-09
6915630 Engine control for a vehicle equipped with an emission control device Gopichandra Surnilla, Jeffrey Scott Hepburn 2005-07-12
6758185 Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics Gopichandra Surnilla, John Ottavio Michelini 2004-07-06
6691669 Overall scheduling of a lean burn engine system Gopichandra Surnilla 2004-02-17
6574953 NOx purge air/fuel ratio selection Grant Alan Ingram, Gopichandra Surnilla, Jeffrey Scott Hepburn, Joseph Robert Theis 2003-06-10