Inventor

John Hadley

Inventor
Madison, WI, US

Overview

6→
Patents
2015–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 6 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%
Y02PClimate change mitigation technologies in the production or processing of goods13%
B22FWorking metallic powder7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2019Patents assigned to SPECTRUM BRANDS INC (4)· patent assignee history
2015Patents assigned to ARMACANQUI M EDGAR (1)· patent assignee history
2015Patents assigned to HADLEY JOHN (1)· patent assignee history
2015Patents assigned to LI WEN (1)· patent assignee history
2015–2021Based in Madison, WI, US· patent location history
2019–2021Patents assigned to ENERGIZER BRANDS LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SPECTRUM BRANDS INC42015–2019
ENERGIZER BRANDS LLC32019–2021
ARMACANQUI M EDGAR12015
HADLEY JOHNself12015
LI WEN12015
Locations
LocationPatentsSpan
Madison, WI, US62015–2021