Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Safety valve

Safety valve

US Patent 4708163 · Granted Nov 24, 1987

Estimated economic value: $10,644,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for locking out a subsurface safety valve2006
Subsurface valve with system and method for sealing2005
Curved flapper and seat for a subsurface saftey valve2003
Apparatus and method for locking open a flow control device2003
Subsurface safety valve2003
Method and apparatus of operating devices using actuators having expandable or c2002
Controlling activation of devices2002
Apparatus for device using actuator having expandable contractable element2001
Eccentric subsurface safety valve2001
Axial equalizing valve2001
Control line connector2001
Failsafe safety valve and method2001