Assignee
CAMCO DRILLING GROUP LTD OF HY
GB·5 granted patents·759 citations·filing 1995–1996
Technology mixE21B5
Top patents by PatentIndex Score
5 records- 0195US5695015ASystem and method of controlling rotation of a downhole instrument packageCAMCO DRILLING GROUP LTD OF HY·Filed 1996·Granted Dec 9, 1997·231 cites·22 claims
- 0295US5685379AMethod of operating a steerable rotary drilling systemCAMCO DRILLING GROUP LTD OF HY·Filed 1996·Granted Nov 11, 1997·249 cites·25 claims
- 0395US5673763AModulated bias unit for rotary drillingCAMCO DRILLING GROUP LTD OF HY·Filed 1996·Granted Oct 7, 1997·189 cites·5 claims
- 0468US5740874ACutting elements for rotary drill bitsCAMCO DRILLING GROUP LTD OF HY·Filed 1996·Granted Apr 21, 1998·53 cites·51 claims
- 0556US5697461ARotary drill bit having a non-rotating gauge sectionCAMCO DRILLING GROUP LTD OF HY·Filed 1995·Granted Dec 16, 1997·37 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →