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

Patent Owner(s)

Patent Owner	Address
RISTVEDT VICTOR G	Not Provided

International Classification(s)

• G07D:SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWI....

• 1998 Application Filing Year
• G07D Class
• 83 Applications Filed
• 48 Patents Issued To-Date
• 57.84 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ristvedt, Mark E	102 Canterbury Rd., Oak Ridge, TN 37830	13	829
# of filed Patents : 13 Total Citations : 829
Ristvedt, Victor G	70 Forestwood Dr., Manchester, TN 37355	20	1712
# of filed Patents : 20 Total Citations : 1712

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Patent Citation Ranking

• 58 Citation Count
• G07D Class

• 88.46 % this patent is cited more than
• 25 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: 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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