Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same

Details for Australian Patent Application No. 2008294052 (hide)

Owner Williams, J.

Inventors Williams, John R.

Agent Shelston IP

Pub. Number AU-A-2008294052

PCT Pub. Number WO2009/029146

Priority 60/966,280 27.08.07 US; 12/069,102 07.02.08 US

Filing date 8 July 2008

Wipo publication date 5 March 2009

International Classifications

E21B 34/00 (2006.01) Valve arrangements for boreholes or wells

Event Publications

4 March 2010 PCT application entered the National Phase

  PCT publication WO2009/029146 Priority application(s): WO2009/029146

14 April 2011 Assignment before Grant

  Williams, John The application has been assigned to Hampton IP Holdings Co., LLC

16 August 2012 Amendment Made

  The nature of the amendment is: Application is to proceed under the number 2008101297

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