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

Patent Owner(s)

Patent Owner	Address
CERTAINTEED CORPORATION	750 EAST SWEDESFORD ROAD P O BOX 860 VALLEY FORGE PA 19482

International Classification(s)

• E04D:ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING ....
• D06N:WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINO....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• 2008 Application Filing Year
• E04D Class
• 139 Applications Filed
• 85 Patents Issued To-Date
• 61.16 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jacobs, Gregory F	Oreland, US	232	6769
# of filed Patents : 232 Total Citations : 6769
Kalkanoglu, Husnu M	Swarthmore, US	195	6626
# of filed Patents : 195 Total Citations : 6626

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Patent Citation Ranking

• 7 Citation Count
• E04D Class

• 24.46 % this patent is cited more than
• 8 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 10, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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 10, 2017	US,9540820,B2   US9540820B2	GRANTED PATENT AS SECOND PUBLICATION
October 09, 2008	US,20080248241,A1   US20080248241A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9080315

Heavy machine-operated sieve screen bucket

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Abstract

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The invention relates to a heavy machine-operated sieve screen bucket. A plurality of screening plates (3) are spaced from each other and establish a screening surface (2), which is provided with screening slots and on top of which the material to be screened can be placed. There are rotatable shafts (4) below the screening surface (2). The shafts (4) are provided with blades (5), which are projecting from the shafts and which extend through the screening slots to above the screening surface (2). The blades (5) taper in a wedge-like manner towards their rounded tips. Side edges of the blades (5) are substantially straight and the angle between the same is in the range of 20-28°.

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Description

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Claims

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