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Inventor

Donald Raymond Crowe

Inventor
Dodgeville, WI, US

Overview

4→
Patents
1981–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 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 energy38%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
F16KValves13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
11,133,497Alkaline cell with improved discharge efficiency202110,693,125Alkaline electrochemical cell with improved anode and separator components20208,728,659'Alkaline cell with additive for improved discharge performance'20144,269,386'Valve assembly'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SARGENT INDUSTRIES (1)· patent assignee history
1981Based in Mission Viejo, CA, US· patent location history
2014Patents assigned to ARMACANQUI M EDGAR (1)· patent assignee history
2014Patents assigned to CROWE JR DONALD RAYMOND (1)· patent assignee history
2014Patents assigned to ROSZKOWSKI ANDREW J (1)· patent assignee history
2014–2021Based in Dodgeville, WI, US· patent location history
2020–2021Patents assigned to ENERGIZER BRANDS LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGIZER BRANDS LLC22020–2021
ARMACANQUI M EDGAR12014
CROWE JR DONALD RAYMONDself12014
ROSZKOWSKI ANDREW J12014
SARGENT INDUSTRIES11981
Locations
LocationPatentsSpan
Dodgeville, WI, US32014–2021
Mission Viejo, California, US11981