Assignee
SHAMBURGER JAMES
US·2 granted patents·4 pending applications·8 citations·filing 2008–2010
Top patents by PatentIndex Score
6 records- 0156US8820441B2Combination coring bit and drill bit using fixed cutter PDC cuttersSHAMBURGER JAMES·Filed 2008·Granted Sep 2, 2014·6 cites·17 claims
- 0247US2010011673A1Method and apparatus for selectively leaching portions of PDC cutters through templates formed in mechanical shields placed over the cuttersSHAMBURGER JAMES·Filed 2008·Application pending·0 cites
- 0346US8327951B2Drill bit having functional articulation to drill boreholes in earth formations in all directionsSHAMBURGER JAMES·Filed 2009·Granted Dec 11, 2012·2 cites·5 claims
- 0441US2009038442A1Method and apparatus for retaining polycrystalline diamond cutters in a drill bit body of matrix or steelSHAMBURGER JAMES·Filed 2008·Application pending·0 cites
- 0535US2011024193A1Optimized central cutter and methodSHAMBURGER JAMES·Filed 2010·Application pending·0 cites
- 0633US2011056751A1Ultra-hard matrix reamer elements and methodsSHAMBURGER JAMES·Filed 2010·Application pending·0 cites
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