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Inventor

Daniel J. Spak

Inventor
Cuyahoga Falls, OH, US

Overview

2→
Patents
1997–1998
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy40%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution40%
C23FNon-mechanical removal of metallic material from surface20%
PatentTitleYear
5,712,061'Electrode arrangement for use in a battery having a liquid electrolyte'19985,665,481'Metal-air battery'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to NORTHROP GRUMMAN CORP (2)· patent assignee history
1997–1998Based in Cuyahoga Falls, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN CORP21997–1998
Locations
LocationPatentsSpan
Cuyahoga Falls, OH, US21997–1998