Assignee
NORTHLAND ENERGY CORP
CA·4 granted patents·271 citations·filing 1999–2002
Top patents by PatentIndex Score
4 records- 0192US6554016B2Rotating blowout preventer with independent cooling circuits and thrust bearingNORTHLAND ENERGY CORP·Filed 2000·Granted Apr 29, 2003·108 cites·7 claims
- 0284US6413297B1Method and apparatus for treating pressurized drilling fluid returns from a wellNORTHLAND ENERGY CORP·Filed 2000·Granted Jul 2, 2002·58 cites·25 claims
- 0381US6315813B1Method of treating pressurized drilling fluid returns from a wellNORTHLAND ENERGY CORP·Filed 1999·Granted Nov 13, 2001·74 cites·12 claims
- 0475US6790367B2Method and apparatus for separating and measuring solids from multi-phase well fluidsNORTHLAND ENERGY CORP·Filed 2002·Granted Sep 14, 2004·31 cites·20 claims
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