Assignee
HEWSON JAMES A
GB·3 granted patents·1 pending application·16 citations·filing 2006–2011
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0174US9347272B2Method and assembly for forming a supported bore using a first and second drill bitHEWSON JAMES A·Filed 2008·Granted May 24, 2016·16 cites·17 claims
- 0244US9366086B2Method of forming a boreHEWSON JAMES A·Filed 2011·Granted Jun 14, 2016·0 cites·8 claims
- 0343US9255447B2Method of forming a boreHEWSON JAMES A·Filed 2011·Granted Feb 9, 2016·0 cites·12 claims
- 0436US2007089910A1Method of forming a boreHEWSON JAMES A·Filed 2006·Application pending·0 cites
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