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

Patent Owner(s)

Patent Owner	Address
NORWEST MEZZANINE PARTNERS II LP	80 SOUTH 8TH STREET 3600 IDS CENTER MINNEAPOLIS MN 55402

International Classification(s)

• 1801:TYPEWRITERS AND CALCULATING MACHINES

• 2001 Application Filing Year
• 1801 Class
• 0 Applications Filed
• 0 Patents Issued To-Date
• 0 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Duerr, Karl	Basking Ridge, NJ	5	85
# of filed Patents : 5 Total Citations : 85
Hammill, Susan	West Seneca, NY	4	65
# of filed Patents : 4 Total Citations : 65
Johnson, Jennifer	Middleport, NY	27	415
# of filed Patents : 27 Total Citations : 415
Kelly, Diane	Cambria, NY	7	70
# of filed Patents : 7 Total Citations : 70
Krivda, John	Ewing, NJ	5	73
# of filed Patents : 5 Total Citations : 73
Neri, Joel	Youngstown, NY	10	87
# of filed Patents : 10 Total Citations : 87

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Patent Citation Ranking

• 11 Citation Count
• 1801 Class

• 0 % this patent is cited more than
• 23 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: 9873640

Method for drying spent filter media

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Abstract

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Disclosed is a process of stabilizing spent filter material that comprises mixing the filter media with a dry media to produce a composition having a moisture content that is sufficiently low to retard microbial growth. The composition comprises spent filter media and a dry material, and preferably comprises diatomaceous earth. Soil is treated by adding the composition as a top dressing, soil amendment, or the like.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2015
• AS2014
• F2011

Date	Code	Event	Description
Nov 21, 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
Nov 19, 2020	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
Jun 27, 2017	I	Issuance
Jun 07, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
May 28, 2015	P	Published
Jun 02, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOUAZIZ, OLIVIER;BARBER, DAVID;JUNG, CORALIE;SIGNING DATES FROM 20140515 TO 20140519;REEL/FRAME:033009/0732 Owner name: ARCELORMITTAL INVESTIGACION Y DESARROLLO, S.L., SP
Sep 06, 2011	F	Filing