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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
GM GLOBAL TECHNOLOGY OPERATIONS LLC	P O BOX 300 MAIL CODE 482-C23-B21 DETROIT MI 48265-3000

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
• G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
• B60L:ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-P....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Herbst, Jan F	Groose Pointe Woods, US	18	181
# of filed Patents : 18 Total Citations : 181
Meisner, Gregory P	Ann Arbor, US	33	341
# of filed Patents : 33 Total Citations : 341
Verbrugge, Mark W	Troy, US	178	3407
# of filed Patents : 178 Total Citations : 3407

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Patent Citation Ranking

• 1 Citation Count
• H01M Class

• 8.60 % this patent is cited more than
• 11 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 28, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 28, 2014	US,8872519,B2   US8872519B2	GRANTED PATENT AS SECOND PUBLICATION
April 01, 2010	US,20100079145,A1   US20100079145A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8872519

System and method to determine the state of charge of a battery using magnetostriction to detect magnetic response of battery material

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Abstract

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One exemplary embodiment includes a method including providing a battery, producing a first magnetic field so that a second magnetic field is induced in the battery, sensing a magnetic field resulting from the interaction of the first magnetic field and the second magnetic field, utilizing the sensed net magnetic field to determine the state of charge of the battery.

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Description

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Claims

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