Inventor
LIOTTA JOSEPH JAMES
US5 patents
⚠️ This page may combine multiple inventors who share the name “LIOTTA JOSEPH JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
4 patentsUS9580987B2Feb 28, 2017
Spherical blowout preventer with energizeable packer seal and method of using same
NAT OILWELL VARCO LP4 citations71
US9441443B2Sep 13, 2016
Compound blowout preventer seal and method of using same
NAT OILWELL VARCO LP6 citations62
US9708877B2Jul 18, 2017
Blowout preventer monitoring system and method of using same
NAT OILWELL VARCO LP0 citations50
US9428994B2Aug 30, 2016
Blowout preventer monitor with trigger sensor and method of using same
NAT OILWELL VARCO LP1 citations46