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

Patent Owner(s)

Patent Owner	Address
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES	PARIS FRANCE PARIS PARIS

International Classification(s)

• F26B:DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQU....
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

• 2011 Application Filing Year
• F26B Class
• 274 Applications Filed
• 210 Patents Issued To-Date
• 76.65 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Haarlemmer, Geert	Montbonnot Saint Martin, FR	2	7
# of filed Patents : 2 Total Citations : 7

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Patent Citation Ranking

• 2 Citation Count
• F26B Class

• 34.43 % this patent is cited more than
• 7 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 16, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 16, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
January 16, 2018	US,9869514,B2   US9869514B2	GRANTED PATENT AS SECOND PUBLICATION
May 23, 2013	US,20130125412,A1   US20130125412A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9869514

Sludge drying method and installation

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Abstract

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This sludge drying device is characterised in that a gas entraining a mix of sludge and sand is recycled after drying (6) and separation (8) to be compressed (10) and circulate again through the dryer (6) acting as a heat exchange fluid. Compression has been performed to increase the dew point temperature of the gas containing the evaporated moisture, such that the latent heat of evaporation can be recovered by the drying gas. The required operating power can then be much lower than the required power for evaporating the moisture contained in the sludge, because most of this power is recovered.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2022
• STCH2022
• FP2022
• FEPP2021
• I2018
• STCF2017
• P2013
• AS2013
• F2011
• PD2010

Date	Code	Event	Description
Feb 21, 2022	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 21, 2022	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jan 16, 2022	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Jan 16, 2022
Sep 06, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jan 16, 2018	I	Issuance
Dec 27, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
May 23, 2013	P	Published
Jan 03, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HAARLEMMER, GEERT;REEL/FRAME:029744/0929 Owner name: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES Effective Date: Jan 03, 2013
Aug 05, 2011	F	Filing
Aug 06, 2010	PD	Priority Date