Family

Country	kind	publication No.	Filing Date	Type	Sub-Type

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

Patent Owner(s)

• BARR FABRICATION

International Classification(s)

• B21C:MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PR....
• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

• 2012 Application Filing Year
• B21C Class
• 150 Applications Filed
• 122 Patents Issued To-Date
• 81.34 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barr, Hugh C	Brownwood, US	5	10
# of filed Patents : 5 Total Citations : 10

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Patent Citation Ranking

• 0 Citation Count
• B21C Class

• 0 % 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	Feb 26, 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
August 26, 2014	US,8813534,B2   US8813534B2	GRANTED PATENT AS SECOND PUBLICATION
December 06, 2012	US,20120304434,A1   US20120304434A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9687858

Separator disk package with separator disks having labyrinth-like flow channel

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Abstract

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A separator disk package for a rotatable drum of a centrifuge for processing of a fluid product in continuous operation is disclosed. The separator disk package includes axially stacked conical separator disks, where, between adjacent separator disks, disk gaps are respectively formed. On one or more of the axially adjacent separator disks are one or more labyrinth-like flow channels, in which, during operation, a direction of flow of a through-flowing product, which is to be clarified of solids, changes on two or more occasions through respectively at least 120°.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• AS2016
• P2016
• F2014
• PD2013

Date	Code	Event	Description
Dec 06, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Nov 27, 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 27, 2017	I	Issuance
Jun 07, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Oct 11, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:QUITER, KATHRIN;KOENIG, JULIAN;BATHELT, THOMAS;SIGNING DATES FROM 20160202 TO 20160212;REEL/FRAME:039989/0005 Owner name: GEA MECHANICAL EQUIPMENT GMBH, GERMANY
Jan 07, 2016	P	Published
Feb 14, 2014	F	Filing
Feb 20, 2013	PD	Priority Date