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

Patent Owner(s)

Patent Owner	Address
TANIOBIS GMBH	38642 GOSLAR

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
• H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
• C22C:ALLOYS

• 2014 Application Filing Year
• C22B Class
• 297 Applications Filed
• 251 Patents Issued To-Date
• 84.52 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hilpert, Jürgen	Kiedrich, DE	4	1
# of filed Patents : 4 Total Citations : 1
Löffelholz, Josua	Langelsheim, DE	5	2
# of filed Patents : 5 Total Citations : 2

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Patent Citation Ranking

• 0 Citation Count
• C22B Class

• 0 % 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	Jul 10, 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
January 10, 2017	US,9543075,B2   US9543075B2	GRANTED PATENT AS SECOND PUBLICATION
October 09, 2014	US,20140302338,A1   US20140302338A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9543075

Niobium powders having a particle shape

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Abstract

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A valve metal powder having a particle shape factor mean value f, as determined by SEM image analysis, of 0.65≦f≦1, said powder has an average agglomerate particle size D50 value, as determined with a MasterSizer in accordance with ASTM B 822, of 40 to 200 μm and wherein the valve metal powder is niobium.

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Description

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Claims

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Legal Events

 

• LAPS2025
• STCH2025
• FP2025
• FEPP2024
• MAFP2020
• AS2020
• AS2018
• AS2018
• I2017
• STCF2016
• P2014
• F2014
• PD2005

Date	Code	Event	Description
Feb 17, 2025	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 17, 2025	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jan 10, 2025	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Jan 10, 2025
Sep 02, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jun 25, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Jun 11, 2020	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:H.C. STARCK TANTALUM AND NIOBIUM GMBH;REEL/FRAME:053221/0805 Owner name: TANIOBIS GMBH, GERMANY Effective Date: Jun 11, 2020
May 25, 2018	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:H.C. STARCK GMBH;REEL/FRAME:046140/0859 Owner name: H.C. STARCK TANTALUM AND NIOBIUM GMBH, GERMANY Effective Date: May 25, 2018
May 05, 2018	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:H.C. STARCK GMBH;REEL/FRAME:046798/0094 Owner name: H.C. STARCK TANTALUM AND NIOBIUM GMBH, GERMANY Effective Date: May 05, 2018
Jan 10, 2017	I	Issuance
Dec 21, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Oct 09, 2014	P	Published
Apr 03, 2014	F	Filing
Sep 16, 2005	PD	Priority Date