Hydraulic control for a longwall support

Details for Australian Patent Application No. 2004241290 (hide)

Owner Tiefenbach Control Systems GmbH

Inventors Kussel, Willi

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2004241290

PCT Pub. Number WO2004/104375

Priority 103 21 826.2 14.05.03 DE

Filing date 15 April 2004

Wipo publication date 2 December 2004

Acceptance publication date 2 April 2009

International Classifications

E21D 23/26 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

Event Publications

13 October 2005 PCT application entered the National Phase

  PCT publication WO2004/104375 Priority application(s): WO2004/104375

2 April 2009 Application Accepted

  Published as AU-B-2004241290

30 July 2009 Standard Patent Sealed

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