Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Flapper mounted equalizer valve for subsurface safety valves

Flapper mounted equalizer valve for subsurface safety valves

US Patent 8056618 · Granted Nov 15, 2011

Estimated economic value: $16,905,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Magnetic actuator, system and method2022
Safety valve with integral annular chamber housing2020
Failsafe subsurface controlled safety valve2017
Stackable multi-barrier system and method2014
Stackable multi-barrier system and method2014
Flow-actuated actuator and method2014
Permanent magnet linear motor actuated safety valve and method2014
Magnetic position monitoring system and method2013
Hold open configuration for safety valve and method2013
Subsurface safety valve and method of actuation2013
Subsurface safety valve and method of actuation2012
Tubing pressure insensitive actuator system and method2012