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Inventor

Thomas Kaufman

Inventor
Middleton, WI, US

Overview

3→
Patents
2005–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 energy50%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution50%
PatentTitleYear
7,651,814'Electrochemical cell having improved radial seal'20107,288,920'Method and apparatus for regulating charging of electrochemical cells'20076,878,481'Method and apparatus for regulating charging of electrochemical cells'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to RAY O VAC CORP (1)· patent assignee history
2005–2010Based in Middleton, WI, US· patent location history
2007Patents assigned to SPECTRUM BRANDS INC FKA RAYOVA (1)· patent assignee history
2010Patents assigned to ROVCAL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RAY O VAC CORP12005
ROVCAL INC12010
SPECTRUM BRANDS INC FKA RAYOVA12007
Locations
LocationPatentsSpan
Middleton, WI, US32005–2010