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

Patent Owner(s)

Patent Owner	Address
TREADSTONE TECHNOLOGIES INC	201 WASHINGTON ROAD PRINCETON NJ 08543-5300

International Classification(s)

• C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• 2013 Application Filing Year
• C25B Class
• 312 Applications Filed
• 267 Patents Issued To-Date
• 85.58 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wang, Conghua	West Windsor, US	21	291
# of filed Patents : 21 Total Citations : 291

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Patent Citation Ranking

• 2 Citation Count
• C25B Class

• 31.20 % this patent is cited more than
• 8 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	Aug 14, 2028

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
February 14, 2017	US,9567681,B2   US9567681B2	GRANTED PATENT AS SECOND PUBLICATION
August 14, 2014	US,20140224650,A1   US20140224650A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9567681

Corrosion resistant and electrically conductive surface of metallic components for electrolyzers

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Abstract

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Methods for providing a metal surface structure and treatment process to prevent the corrosion (e.g., high electrochemical potential oxidization and hydrogen embrittlement) of a metallic component used in electrolyzer operational conditions. The oxide surface scale of a metal plate is used to prevent the corrosion, and electrical conductive materials such as e.g., precious metals or carbon are used to provide the surface electrical conductance of the metallic components. The methods advantageously produce, at a low cost, metal components for electrolyzers that need high electrical conductance and corrosion resistance for long term operation.

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Description

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Claims

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2014
• AS2013
• F2013

Date	Code	Event	Description
Jul 26, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8
Jul 08, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4
Feb 14, 2017	I	Issuance
Jan 25, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 14, 2014	P	Published
Sep 09, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WANG, CONGHUA;REEL/FRAME:031278/0643 Owner name: TREADSTONE TECHNOLOGIES, INC., NEW JERSEY Effective Date: Sep 09, 2013
Jun 28, 2013	F	Filing