Inventor · disambiguated record
L. Steven Landriault
Also filed as: LANDRIAULT L STEVEN
7 granted patents·543 citations·filing 1982–1999
90Inventor score
Top patents by PatentIndex Score
7 records- 0193US4537429ATubular connection with cylindrical and tapered stepped threadsHYDRIL CO·Filed 1983·Granted Aug 27, 1985·93 cites·12 claims
- 0292US4688832AWell pipe jointHYDRIL CO·Filed 1984·Granted Aug 25, 1987·125 cites·26 claims
- 0391US4629224ATubular connectionHYDRIL CO·Filed 1985·Granted Dec 16, 1986·87 cites·7 claims
- 0488US4928999AElastomeric guard seal for tubular connectionsHYDRIL CO·Filed 1984·Granted May 29, 1990·65 cites·17 claims
- 0586US6244359B1Subsea diverter and rotating drilling headVETCO GRAY INC ABB·Filed 1999·Granted Jun 12, 2001·119 cites·11 claims
- 0669US4903992ALocking ring for oil well toolVETCO GRAY INC·Filed 1989·Granted Feb 27, 1990·40 cites·6 claims
- 0746US4537428AJoint and joint components for pipe sections subjected to axial compression loadsHYDRIL CO·Filed 1982·Granted Aug 27, 1985·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →