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

Patent Owner(s)

Patent Owner	Address
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA	1111 FRANKLIN STREET 12TH FLOOR OAKLAND CA 94607

International Classification(s)

• B04B:CENTRIFUGES
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B01D:SEPARATION

• 2010 Application Filing Year
• B04B Class
• 72 Applications Filed
• 59 Patents Issued To-Date
• 81.95 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Emerson, Jane	Irvine, US	11	64
# of filed Patents : 11 Total Citations : 64

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Patent Citation Ranking

• 2 Citation Count
• B04B Class

• 6.76 % this patent is cited more than
• 13 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
April 10, 2012	US,8151996,B2   US8151996B2	GRANTED PATENT AS SECOND PUBLICATION
December 16, 2010	US,20100314335,A1   US20100314335A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8443830

Heater built-in valve

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Abstract

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A heater built-in valve usable even under a high-temperature condition beyond 200° C. is provided.

Piston driving means 7 has an upper compressed-air introducing chamber 24 for moving a piston 6 downward, and a lower compressed-air introducing chamber 25 for moving the piston 6 upward. Piston sealing means 8 has an upper bellows 29 that seals the upper compressed-air introducing chamber 24, and a lower bellows 30 that seals the lower compressed air introducing chamber 25.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2017
• FP2017
• LAPS2017
• REMI2016
• I2013
• P2010
• AS2009
• F2008
• PD2007

Date	Code	Event	Description
Jun 19, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 21, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 21, 2017
May 21, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Dec 30, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
May 21, 2013	I	Issuance
Aug 05, 2010	P	Published
Oct 06, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TANIKAWA, TSUYOSHI;YAMAJI, MICHIO;YAKUSHIJIN, TADAYUKI;AND OTHERS;REEL/FRAME:024018/0801 Owner name: FUJIKIN INCORPORATED, JAPAN Effective Date: Oct 06, 2009
Apr 01, 2008	F	Filing
Apr 02, 2007	PD	Priority Date