LandOfFree - US Patents - Listing for Valves and valve actuation,Blow-out preventers

Blowout preventer ram lock

Blowout preventer ram lock

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Blowout preventer ram packer and wear insert

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Blowout preventer ram packer and wear insert

Valves and valve actuation – Blow-out preventers – Deformable annulus

Blowout preventer with radial force limiter

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Blowout preventer with ram wedge locks

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Blowout preventer with removable packer

Blowout ram preventer

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Blowout valve assembly

BOP seal with improved metal inserts

Bop seal with improved metal inserts

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

BOP with improved door connectors

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

BOP with partially equalized ram shafts

Closure device

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Composite pumping tree with integral shut-off valve

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Connector for joining blowout preventer members

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Door connectors

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Dual-cylinder blowout preventer operator system

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram

Dual-cylinder blowout preventer operator system