Hydraulic Drive Device

United States of America Patent

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N/A
Issued Date
May 7, 2009
app pub date
Jan 24, 2006
filing date
Jan 26, 2005

priority date (Note)
Abandoned

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Abstract

To permit driving a tilt cylinder and an angle cylinder at relatively low speed and also to permit driving an additional actuator at high speed.

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Patent Owner(s)

Patent Owner	Address
HITACHI CONSTRUCTION MACHINERY CO LTD	TOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Itou, Kenji	Ibaraki , JP	28	272
Kawamoto, Junya	Ibaraki , JP	36	246
Matsui, Takuya	Ibaraki , JP	29	552
Takahashi, Kiwamu	Ibaraki , JP	78	336
Tsuruga, Yasutaka	Ibaraki , JP	68	327

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Hydraulic Drive Device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11795968

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APP PUB NO	20090113887A1
SERIAL NO	11795968
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11795968

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