Drill bits with axially-tapered waterways

Details for Australian Patent Application No. 2010337217 (hide)

Owner Longyear TM, Inc.

Inventors Pearce, Cody A.; Rupp, Michael D.; Lambert, Christian M.

Agent Cotters

Pub. Number AU-A-2010337217

PCT Pub. Number WO2011/081775

Priority 12/638,229 15.12.09 US

Filing date 3 December 2010

Wipo publication date 7 July 2011

International Classifications

E21B 10/02 Drilling tools

E21B 10/48 Drilling tools

Event Publications

5 July 2012 PCT application entered the National Phase

  PCT publication WO2011/081775 Priority application(s): WO2011/081775

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