Inventor
LANDRIAULT L STEVEN
US7 patents
⚠️ This page may combine multiple inventors who share the name “LANDRIAULT L STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDRIL CO
5 patentsUS4928999AMay 29, 1990
Elastomeric guard seal for tubular connections
HYDRIL CO65 citations94
US4688832AAug 25, 1987
Well pipe joint
HYDRIL CO125 citations94
US4629224ADec 16, 1986
Tubular connection
HYDRIL CO87 citations94
US4537429AAug 27, 1985
Tubular connection with cylindrical and tapered stepped threads
HYDRIL CO93 citations94
US4537428AAug 27, 1985
Joint and joint components for pipe sections subjected to axial compression loads
HYDRIL CO14 citations72