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Inventor

Jeffrey L. Campbell

Inventor
Hope, IN, US

Overview

4→
Patents
1991–1999
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 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 thereof50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
5,894,991'Unit injector with hard stop timing plunger'19995,607,106'Low inertia, wear-resistant valve for engine fuel injection systems'19975,409,165'Wear resistant fuel injector plunger assembly'19954,986,472'High pressure unit fuel injector with timing chamber pressure control'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to CUMMINS ENGINE CO INC (4)· patent assignee history
1991–1999Based in Hope, IN, US· patent location history
1995–1997Patents assigned to TOSHIBA CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CUMMINS ENGINE CO INC41991–1999
TOSHIBA CORP21995–1997
Locations
LocationPatentsSpan
Hope, IN, US41991–1999