Inventor · disambiguated record
Leo J. Barbera
Also filed as: BARBERA LEO J
5 granted patents·224 citations·filing 1991–1998
84Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 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
- 0278US5099927AApparatus for guiding and steering earth boring casingBARBERA LEO J·Filed 1991·Granted Mar 31, 1992·80 cites·33 claims
- 0351US5813482AEarth boring system and apparatusFiled 1995·Granted Sep 29, 1998·35 cites·34 claims
- 0447US5203418AApparatus for guiding and steering earth boring casingLAG STEERING SYSTEMS·Filed 1992·Granted Apr 20, 1993·21 cites·21 claims
- 0532US5964306AAuger earth boring machine with improved efficiency and safetyFiled 1998·Granted Oct 12, 1999·11 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Leo J. Barbera files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →