Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Balanced line tubing retrievable safety valve

Balanced line tubing retrievable safety valve

US Patent 6003605 · Granted Dec 21, 1999

Estimated economic value: $44,255,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Flapper valve assembly apparatus and method2002
System and method for communication hydraulic control to a wireline retrievable 2002
Linear indexing apparatus and methods of using same2000
Static wellhead plug1999
Running tool for static wellhead plug1999
Verification apparatus and method for a static wellhead plug1999
Static wellhead plug and associated methods of plugging wellheads1999
Linear indexing apparatus and methods of using same1998
Well completion system with flapper control valve1996
Streamlined flapper valve1994
Surface controlled annulus safety system for well bores1994
Perforating type lockout tool1993