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Inventor

Forrest A. Jehlik

Inventor
Chicago, IL, US

Overview

2→
Patents
2005–2008
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof25%
F01LCyclically operating valves for machines or engines13%
F02BInternal-combustion piston engines13%
F02DControlling combustion engines13%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact13%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
7,461,639'Coated heat exchanger'20086,918,384'Diesel engine with cam phasers for in-cylinder temperature control'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to GEN MOTORS CORP (1)· patent assignee history
2005Based in Royal Oak, MI, US· patent location history
2008Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2008Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS CORP12005
GM GLOBAL TECH OPERATIONS INC12008
Locations
LocationPatentsSpan
Chicago, Illinois, US12008
Royal Oak, MI, US12005