Assignee
LAG STEERING SYSTEMS
US·4 granted patents·235 citations·filing 1991–1993
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0179US5133418ADirectional drilling system with eccentric mounted motor and biaxial sensor and methodLAG STEERING SYSTEMS·Filed 1991·Granted Jul 28, 1992·77 cites·81 claims
- 0274US5163520AApparatus and method for steering a pipe jacking headLAG STEERING SYSTEMS·Filed 1991·Granted Nov 17, 1992·72 cites·36 claims
- 0368US5361854ALaser positioning system for earth boring apparatusLAG STEERING SYSTEMS·Filed 1993·Granted Nov 8, 1994·65 cites·33 claims
- 0447US5203418AApparatus for guiding and steering earth boring casingLAG STEERING SYSTEMS·Filed 1992·Granted Apr 20, 1993·21 cites·21 claims
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