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

Patent Owner(s)

Patent Owner	Address
KVAERNER PULPING TECHNOLOGIES AB	SE-652 30 KARLSTAD

International Classification(s)

• F23G:CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION

• 1995 Application Filing Year
• F23G Class
• 78 Applications Filed
• 28 Patents Issued To-Date
• 35.90 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hanson, Charlotta	Gothenburg, SE	6	78
# of filed Patents : 6 Total Citations : 78
Wimby, Martin	Gothenburg, SE	9	36
# of filed Patents : 9 Total Citations : 36

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Patent Citation Ranking

• 2 Citation Count
• F23G Class

• 1.37 % this patent is cited more than
• 28 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: 5644996

Method and arrangement for reburning lime sludge in a fluidizing bed

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Abstract

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The invention relates to a method for lime sludge reburning in a fluidizing bed. The method is characterized in that a cooling medium (10) is injected immediately above the fluidizing bed (3). The invention also comprises means for performing the method. The arrangement which is known per se is provided with an injection device (10) for a cooling medium above the fluidizing bed (3).

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Description

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Claims

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Legal Events

 

• FPAY2009
• FPAY2004
• FPAY2000
• FEPP1999
• I1997
• STCF1997
• F1995
• AS1995
• PD1993

Date	Code	Event	Description
Jan 02, 2009	FPAY	FEE PAYMENT	year of fee payment: 12
Dec 30, 2004	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 21, 2000	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 02, 1999	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jul 08, 1997	I	Issuance
Jun 25, 1997	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 07, 1995	F	Filing
Jul 22, 1995	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WIMBY, MARTIN;HANSON, CHARLOTTA;REEL/FRAME:007885/0618 Owner name: KVAERNER PULPING TECHNOLOGIES AB, SWEDEN Effective Date: Jul 22, 1995
Jan 11, 1993	PD	Priority Date