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Inventor

Leonard S. Hummel

Inventor
Vandyne, WI, US

Overview

4→
Patents
1988–1998
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 thereof43%
F02BInternal-combustion piston engines29%
F02DControlling combustion engines14%
Y02TClimate change mitigation technologies related to transportation14%
PatentTitleYear
5,762,040'Cylinder wall fuel injection system for loop-scavenged, two-cycle internal combustion engine'19985,323,964'High pressure unit fuel injector having variable effective spill area'19944,777,913'Auxiliary fuel supply system'19884,763,625'Cold start fuel enrichment circuit'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to BRUNSWICK CORP (3)· patent assignee history
1988Based in Vandyne, WI, US· patent location history
1994Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
1994Based in Shelbyville, IN, US· patent location history
1998Based in Eldorado, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRUNSWICK CORP31988–1998
CUMMINS ENGINE CO INC11994
Locations
LocationPatentsSpan
Vandyne, WI, US21988
Eldorado, WI, US11998
Shelbyville, IN, US11994