Drill head for a ground-boring device

Details for Australian Patent Application No. 2005259407 (hide)

Owner Tracto-Technik GmbH

Inventors Puttmann, Franz-Josef

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2005259407

PCT Pub. Number WO2006/002997

Priority 10 2005 031 707.3 05.07.05 DE; 10 2004 032 551.0 06.07.04 DE

Filing date 6 July 2005

Wipo publication date 12 January 2006

Acceptance publication date 9 September 2010

International Classifications

E21B 7/26 (2006.01) Special methods or apparatus for drilling

E21B 4/06 (2006.01) Drives for drilling, used in the borehole

E21B 4/14 (2006.01) Drives for drilling, used in the borehole

Event Publications

1 February 2007 PCT application entered the National Phase

  PCT publication WO2006/002997 Priority application(s): WO2006/002997

9 September 2010 Application Accepted

  Published as AU-B-2005259407

13 January 2011 Standard Patent Sealed

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