Hydraulic driving unit for working machine, and method of hydraulic drive

Details for Australian Patent Application No. 2002313244 (hide)

Owner Hitachi Construction Machinery Co., Ltd.

Inventors Shimomura, Hirokazu; Yasuda, Tomohiko

Agent Davies Collison Cave

Pub. Number AU-B-2002313244

PCT Number PCT/JP02/06138

PCT Pub. Number WO2003/001067

Priority 200214357 23.01.02 JP; 2001188357 21.06.01 JP

Filing date 20 June 2002

Wipo publication date 8 January 2003

Acceptance publication date 27 May 2004

International Classifications

F15B 011/00 Servomotor systems without provision for follow-up action

F04B 049/06 Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups - Control using electricity

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 200214357 23.01.02 JP; 2001188357 21.06.01 JP

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002313244

27 May 2004 Application Accepted

  Published as AU-B-2002313244

23 September 2004 Standard Patent Sealed

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