LexDanaLexDanabeta
Inventor

Stephen F. De Nagel

Inventor
Warren, MI, US

Overview

3→
Patents
1990–1998
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 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 thereof33%
F02BInternal-combustion piston engines17%
F02DControlling combustion engines17%
Y02TClimate change mitigation technologies related to transportation17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
5,730,369'Fuel injection'19985,353,991'Solenoid actuated valve assembly'19944,903,669'Method and apparatus for closed loop fuel control'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to GEN MOTORS CORP (3)· patent assignee history
1990–1998Based in Warren, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS CORP31990–1998
Locations
LocationPatentsSpan
Warren, MI, US31990–1998