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

Patent Owner(s)

Patent Owner	Address
ASK CHEMICALS L P	1209 ORANGE STREET THE CORPORATION TRUST COMPANY CORPORATION TRUST CENTER WILMINGTON DE 19801

International Classification(s)

• B22C:FOUNDRY MOULDING

• 2003 Application Filing Year
• B22C Class
• 102 Applications Filed
• 51 Patents Issued To-Date
• 50 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chang, Ken K	Dublin, OH	14	105
# of filed Patents : 14 Total Citations : 105

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Patent Citation Ranking

• 3 Citation Count
• B22C Class

• 21.05 % this patent is cited more than
• 19 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
October 24, 2006	US,7125914,B2   US7125914B2	GRANTED PATENT AS SECOND PUBLICATION
April 28, 2005	US,20050090578,A1   US20050090578A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9776213

Sheet manufacturing apparatus

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Abstract

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A sheet manufacturing apparatus includes a classifier unit configured to classify by air flow an introduced material that has been introduced, a screening unit configured to allow a classified material, which comprises fibers, that has been classified by the classifier unit to pass through a plurality of openings to screen the classified material, and a forming unit configured to use a passed material that has passed through the openings to form a sheet. The classified material is supplied to the screening unit by the air flow.

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Description

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Claims

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Legal Events

 

• MAFP2024
• MAFP2021
• I2017
• STCF2017
• P2015
• F2014
• AS2014
• PD2013

Date	Code	Event	Description
Dec 23, 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
Mar 17, 2021	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
Oct 03, 2017	I	Issuance
Sep 13, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jun 25, 2015	P	Published
Dec 15, 2014	F	Filing
Dec 02, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MIYAZAWA, KAZUMA;REEL/FRAME:034504/0701 Owner name: SEIKO EPSON CORPORATION, JAPAN Effective Date: Dec 02, 2014
Dec 25, 2013	PD	Priority Date