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

Patent Owner(s)

Patent Owner	Address
A STUCKI COMPANY 2600 NEVILLE ROAD PITTSBURGH PA 15225 A CORP OFPA	Not Provided

International Classification(s)

• B61K:OTHER AUXILIARY EQUIPMENT FOR RAILWAYS

• 1988 Application Filing Year
• B61K Class
• 19 Applications Filed
• 0 Patents Issued To-Date
• 0 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wiebe, Donald	Sewickley, PA	16	457
# of filed Patents : 16 Total Citations : 457

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Patent Citation Ranking

• 3 Citation Count
• B61K Class

• 0 % this patent is cited more than
• 35 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

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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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