Pipeline pressure device with endless conveyor members for use during a horizontal directional drilling process

Details for Australian Patent Application No. 2010202251 (hide)

Owner Gebr. Van Leeuwen Harmelen B.V.

Inventors Van Leeuwen Jr., Marinus Teunis; Van Leeuwen, Anne Dirk

Agent Wallington-Dummer

Pub. Number AU-B-2010202251

Filing date 1 June 2010

Wipo publication date 2 December 2010

Acceptance publication date 2 December 2010

International Classifications

E21B 4/18 (2006.01) Drives for drilling, used in the borehole

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 7/28 (2006.01) Special methods or apparatus for drilling

Event Publications

17 June 2010 Complete Application Filed

2 December 2010 Application Accepted

  Published as AU-B-2010202251

31 March 2011 Standard Patent Sealed

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