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Inventor

John M. Roth

Inventor
Grosse Ile, MI, US

Overview

16→
Patents
2003–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Dprimary
F02DControlling combustion engines39%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general26%
Y02TClimate change mitigation technologies related to transportation21%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%
Y02ATechnologies for adaptation to climate change3%
PatentTitleYear
10,913,100System and method for incremental forming20219,027,531'Ignition energy control for mixed fuel engine'20158,584,650'Ignition energy control for mixed fuel engine'20138,464,524'Trap for exhaust system'20138,166,952'Fuel injection control during start-up'20128,161,732'System and method to improve engine emissions for a dual fuel engine'20128,020,532'Fuel injection control during start-up'20117,921,833'Fuel injection control during start-up'20117,234,436'Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics'20077,069,910'Overall scheduling of a lean burn engine system'20067,047,932'Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics'20066,925,982'Overall scheduling of a lean burn engine system'20056,915,630'Engine control for a vehicle equipped with an emission control device'20056,758,185'Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics'20046,691,669'Overall scheduling of a lean burn engine system'20046,574,953'NOx purge air/fuel ratio selection'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2015Patents assigned to FORD GLOBAL TECH LLC (15)· patent assignee history
2003–2015Based in Grosse Ile, MI, US· patent location history
2004Based in Grosse Pointe, MI, US· patent location history
2012–2013Patents assigned to ROTH JOHN M (4)· patent assignee history
2012–2013Patents assigned to BIDNER DAVID KARL (2)· patent assignee history
2012–2013Patents assigned to DEVRIES JASON EUGENE (2)· patent assignee history
2012–2013Patents assigned to HEDGES JOHN (2)· patent assignee history
2021Based in Erie, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FORD GLOBAL TECH LLC152003–2015
ROTH JOHN Mself42012–2013
BIDNER DAVID KARL22012–2013
DEVRIES JASON EUGENE22012–2013
HEDGES JOHN22012–2013
Locations
LocationPatentsSpan
Grosse Ile, MI, US132003–2015
Grosse Pointe, MI, US22004
Erie, Pennsylvania, US12021