Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electric safety valve actuator

Electric safety valve actuator

US Patent 6253843 · Granted Jul 3, 2001

Estimated economic value: $33,514,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High speed, high precision six degree-of-freedom optical tracker system and meth2018
Chicken coop window2018
Glider swing arm2018
Torsion spring connections for downhole flapper2001
Annular chamber seal2001
Electro-hydraulic surface controlled subsurface safety valve actuator2001
Electro-hydraulic surface controlled subsurface safety valve actuator2001
Annular chamber seal2001
Electrically driven actuator with failsafe feature1999
Electrically driven actuator with failsafe feature1999
Undulating transverse interface for curved flapper seal1999
Undulating transverse interface for curved flapper seal1999