Assignee
HALCO DRILLING INTERNAT LTD
GB·3 granted patents·1 pending application·60 citations·filing 2000–2005
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0164US6789632B2Rock drilling apparatusHALCO DRILLING INTERNAT LTD·Filed 2003·Granted Sep 14, 2004·30 cites·3 claims
- 0252US6705415B1Directional drilling apparatusHALCO DRILLING INTERNAT LTD·Filed 2000·Granted Mar 16, 2004·27 cites·6 claims
- 0351US7467674B2Rock drilling equipmentHALCO DRILLING INTERNAT LTD·Filed 2005·Granted Dec 23, 2008·3 cites·4 claims
- 0424US2004040751A1Directional drilling apparatusHALCO DRILLING INTERNAT LTD·Filed 2003·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →