| HYDRIL COMPANY LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20110005743 | Mounts for Blowout Preventer Bonnets and Methods of Use - A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one support member and adapted to move substantially normal to a face of the body of the blowout preventer, wherein the bonnet is coupled to the bonnet mounting member. | 01-13-2011 |
| 20100181763 | WEDGE THREAD WITH TORQUE SHOULDER - A threaded pipe connection includes a pin member having an external thread increasing in width in one direction, a box member having an internal thread increasing in width in an opposite direction so that complementary internal and external threads move into engagement upon make-up of the connection, and at least one contact zone in which the pin member and box member are in sealed contact. | 07-22-2010 |
