Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Split wear bushing for a drilling rig

Split wear bushing for a drilling rig

US Patent 5199495 · Granted Apr 6, 1993

Estimated economic value: $306,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tree mounted well flow interface device2010
Subsea well separation and reinjection system2010
Tree mounted well flow interface device2007
Production tree with multiple safety barriers2004
Gasket with multiple sealing surfaces2004
Apparatus and method for remote adjustment of drill string centering to prevent 2003
Wellhead load ring2003
Landing adapter for soft landing a tubing hanger in the bore of a production tre2003
Apparatus for remote adjustment of drill string centering to prevent damage to w2002
Method and apparatus for a drill cutting injection system2002
Electric power pack for subsea wellhead hydraulic tools2002
Apparatus and method for remotely installing shoulder in subsea wellhead2001