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

Patent Owner(s)

Patent Owner	Address
HITACHI CONSTRUCTION MACHINERY CO LTD	BUNKYO-KU TOKYO 112-8563

International Classification(s)

• F15B:SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUI....

• 2012 Application Filing Year
• F15B Class
• 455 Applications Filed
• 349 Patents Issued To-Date
• 76.71 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hijikata, Seiji	Tsukuba, JP	44	184
# of filed Patents : 44 Total Citations : 184
Imura, Shinya	Tokyo, JP	129	710
# of filed Patents : 129 Total Citations : 710
Ishikawa, Kouji	Kasumigaura, JP	159	1336
# of filed Patents : 159 Total Citations : 1336
Nishikawa, Shinji	Kasumigaura, JP	84	693
# of filed Patents : 84 Total Citations : 693
Ooki, Takatoshi	Kasumigaura, JP	35	308
# of filed Patents : 35 Total Citations : 308
Satake, Hidetoshi	Ishioka, JP	71	558
# of filed Patents : 71 Total Citations : 558

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Patent Citation Ranking

• 5 Citation Count
• F15B Class

• 15.38 % this patent is cited more than
• 11 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	Nov 22, 2025

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

Full Text

US Patent Application No: 2004/0211,067

Rotary knife having suction adapter

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Abstract

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A rotary knife having a ring blade that defines a closed loop cutting surface for cutting material which the ring blade contacts during rotation. Materials cut using the blade such as meat cut from a carcass or trimmed from a piece of meat are suctioned away from the blade. The material is drawn into a blade housing which supports the ring blade. A housing body has a wall that defines a housing interior into which material separated by the cutting surface of the ring blade moves as it is cut. Alternate blade designs facilitate use of the knife for applications involving the separation of a spinal cord and possibly dangerous BSE material from a slaughtered animal.

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Description

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Claims

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