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

Patent Owner(s)

Patent Owner	Address
SCROLL TECHNOLOGIES	CLARK COUNTY INDUSTRIAL PARK ONE SCROLL DRIVE ARKADELPHIA AZ 71923

International Classification(s)

• F01C:ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR EN....

• 2006 Application Filing Year
• F01C Class
• 165 Applications Filed
• 54 Patents Issued To-Date
• 32.73 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lifson, Alexander	Manlius, NY	265	4982
# of filed Patents : 265 Total Citations : 4982

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Patent Citation Ranking

• 1 Citation Count
• F01C Class

• 6.32 % this patent is cited more than
• 17 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 04, 2008	US,7338264,B2   US7338264B2	GRANTED PATENT AS SECOND PUBLICATION
November 30, 2006	US,20060269432,A1   US20060269432A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 5427018

Centrifugal disk for impact mills, air classifiers or the like

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Abstract

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A rotor disc for accelerating and projecting particles radially outwards off the disc toward an encircling impact element includes a rotatable disc base having radial channels for guiding particles radially outwards. The channels are formed of side walls fixed to the disc base with side faces on opposite sides of each channel. The corresponding side faces of each pair of sidewalls are arranged essentially parallel and have, in each pair of opposed faces, at least a first face which a radial chamfer having at least a first and a second chamfer face which are angled to form a groove disposed above the disc base for guiding the particles.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FPAY2006
• FPAY2002
• FPAY1998
• AS1997
• I1995
• AS1993
• F1993
• STPP1993

Date	Code	Event	Description
Aug 31, 2006	FPAY	FEE PAYMENT	year of fee payment: 12
Aug 29, 2002	FPAY	FEE PAYMENT	year of fee payment: 8
Aug 24, 1998	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 31, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RITE-HITE CORPORATION;REEL/FRAME:009207/0712 Owner name: RITE-HITE HOLDING CORPORATION, WISCONSIN Effective Date: Dec 31, 1997
Mar 07, 1995	I	Issuance
Jul 09, 1993	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GIULIANI, JON;TRIERVIELER, WILLIAM;HOFFMAN, DAVID;AND OTHERS;REEL/FRAME:006661/0148 Owner name: RITE-HITE CORPORATION, WISCONSIN Effective Date: Jul 09, 1993
Jun 17, 1993	F	Filing
Jun 17, 1993	STPP	INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL	free format text: APPLICATION UNDERGOING PREEXAM PROCESSING