Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Bi-directional sealing ram

Bi-directional sealing ram

US Patent 6164619 · Granted Dec 26, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Breech lock coupling2020
Subsea pressure reduction system2018
Shape memory alloy powered hydraulic accumulator2018
Asymmetrical button for ram-type blowout preventers2017
Control pod for blowout preventer system2016
Blowout preventer system with three control pods2016
Breech lock coupling2016
Subsea pressure reduction system2015
Shape memory alloy powered hydraulic accumulator2015
Asymmetrical button for ram-type blowout preventers2015
Wellsite equipment replacement system and method for using same2015
Blowout preventer with pressure-isolated operating piston assembly2015