Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hydraulically controlled barrier valve equalizing system

Hydraulically controlled barrier valve equalizing system

US Patent 8534317 · Granted Sep 17, 2013

Estimated economic value: $10,117,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hydraulic fluid pump and retainer assembly for same2022
Adhesive bonded micro electro mechanical system2021
Reciprocating pump with improved cross-bore2020
Curved flapper seal with stepped intermediate surface2015
Alignment system for flapper valve2014
Multi-stage pressure equalization valve assembly for subterranean valves2013
Wireline run mechanically or hydraulically operated subterranean insert barrier 2013
Dual acting rod piston control system2012