Instrumented drill head, related drilling/ bolting machines, and methods

Details for Australian Patent Application No. 2004258133 (hide)

Owner J.H Fletcher & Co. Inc.

Inventors Kendall, William G. Jr.; Hinshaw, Gregory E.; Wilson, Henry E.

Agent Davies Collison Cave

Pub. Number AU-B-2004258133

PCT Pub. Number WO2005/008017

Priority 60/485,566 08.07.03 US

Filing date 6 July 2004

Wipo publication date 27 January 2005

Acceptance publication date 25 February 2010

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 47/00 (2006.01) Survey of boreholes or wells

E21D 20/00 (2006.01) Setting anchoring-bolts

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/008017 Priority application(s): WO2005/008017

25 February 2010 Application Accepted

  Published as AU-B-2004258133

24 June 2010 Standard Patent Sealed

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