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

Blowout preventer having a variable ram seal

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

Blowout preventer opening mechanism

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

Blowout preventer operator locking system

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

Blowout preventer ram actuating mechanism

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

Blowout preventer ram automatic locking system

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

Blowout preventer ram for coil tubing

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