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Inventor

David S. Maxwell

Inventor
Madison Heights, MI, US

Overview

3→
Patents
2016–2018
Patent span
Physics
Primary field (CPC G)

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 energy29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G01RMeasuring electric variables14%
G05DSystems for controlling or regulating non-electric variables14%
PatentTitleYear
10,109,899Control of current in parallel battery strings20189,506,992'Systems and methods for detecting high-voltage contactor state of health'20169,395,327'Systems and methods to protect against over-discharge in a battery system'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2018Patents assigned to GM GLOBAL TECH OPERATIONS LLC (2)· patent assignee history
2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2016–2018Based in Madison Heights, MI, US· patent location history
2018Patents assigned to SPIERS NEW TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GM GLOBAL TECH OPERATIONS LLC22016–2018
GM GLOBAL TECH OPERATIONS INC12016
SPIERS NEW TECH INC12018
Locations
LocationPatentsSpan
Madison Heights, MI, US32016–2018