Assignee
VECTOR MAGNETICS
US·4 granted patents·883 citations·filing 1988–1992
Top patents by PatentIndex Score
4 records- 0199US4933640AApparatus for locating an elongated conductive body by electromagnetic measurement while drillingVECTOR MAGNETICS·Filed 1988·Granted Jun 12, 1990·390 cites·28 claims
- 0295US5218301AMethod and apparatus for determining distance for magnetic and electric field measurementsVECTOR MAGNETICS·Filed 1991·Granted Jun 8, 1993·200 cites·7 claims
- 0394US5343152AElectromagnetic homing system using MWD and current having a funamental wave component and an even harmonic wave component being injected at a target wellVECTOR MAGNETICS·Filed 1992·Granted Aug 30, 1994·182 cites·16 claims
- 0493US4845434AMagnetometer circuitry for use in bore hole detection of AC magnetic fieldsVECTOR MAGNETICS·Filed 1988·Granted Jul 4, 1989·111 cites·8 claims
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