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

Details for Australian Patent Application No. 2008101297 (hide)

Owner Hampton IP Holdings Co., LLC

Inventors Williams, John R.

Agent Shelston IP

Pub. Number AU-A-2008101297

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

Filing date 8 July 2008

Opi date 23 August 2012

International Classifications

E21B 34/00 Valve arrangements for boreholes or wells

Event Publications

23 August 2012 Innovation Patent Open to Public Inspection

  Published as AU-A-2008101297

23 August 2012 Innovation Patent Sealed

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