Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Surface controlled subsurface safety valve

Surface controlled subsurface safety valve

US Patent 4834183 · Granted May 30, 1989

Estimated economic value: $4,523,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Dual flapper safety valve2011
Dual flapper safety valve2010
Apparatus and method for gravel packing a horizontal open hole production interv2004
Flapper valve assembly apparatus and method2002
System and method for communication hydraulic control to a wireline retrievable 2002
Safety valve utilizing an isolation valve and method of using the same2001
Linear indexing apparatus and methods of using same2000
Balanced line tubing retrievable safety valve1999
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