Threads with perturbations

Details for Australian Patent Application No. 2005322986 (hide)

Owner Hydril Company

Inventors Reynolds, Harris A. Jr.

Agent Mallesons

Pub. Number AU-B-2005322986

PCT Pub. Number WO2006/073902

Priority 11/027,014 30.12.04 US

Filing date 22 December 2005

Wipo publication date 13 July 2006

Acceptance publication date 23 June 2011

International Classifications

E21B 17/042 (2006.01) Drilling rods or pipes

F16L 15/00 (2006.01) Screw-threaded joints

F16L 15/06 (2006.01) Screw-threaded joints

Event Publications

19 July 2007 PCT application entered the National Phase

  PCT publication WO2006/073902 Priority application(s): WO2006/073902

4 October 2007 Change of Name(s) of Applicant(s), Section 104

  Hydril Company LP The name of the applicant has been changed to Hydril LLC

22 July 2010 Assignment before Grant

  Hydril LLC The application has been assigned to Hydril Company 2006

23 June 2011 Application Accepted

  Published as AU-B-2005322986

20 October 2011 Standard Patent Sealed

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