Internal gear pump

Device for sealing and evacuating a container containing a paste-like liquid

Control device, control system, control method, recording medium and machine learning device

Mud pump and vacuum gas extraction system

Fluid pump with rotating pumping element wear reduction

Pump for an additive

Method for operating a multi-phase pump and apparatus therefor

Vehicle

Trochoid pump with air ejection port

Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluid

Liquid pump including a gas accumulation area and rankine cycle device including a liquid pump

Method for operating a multi-phase pump and apparatus therefor

Hydraulic circuit for transmissions

VACUUM PUMP

Double-flow screw spindle machine

System to vent solid feed pump

SYSTEM AND METHOD FOR CONTROLLING LIQUID REMOVAL OPERATIONS IN A GAS-PRODUCING WELL

Underwater delivery unit

Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations

Flow control system for removing liquid from a well

System and method for controlling liquid removal operations in a gas-producing well

Portable, rotary vane vacuum pump with automatic vacuum breaking arrangement

Gas restrictor for pump

Flow control system having a downhole check valve selectively operable from a surface of a well

Flow control system utilizing an isolation device positioned uphole of a liquid removal device

Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations

Flow control system having a downhole rotatable valve

Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations

System and method for controlling liquid removal operations in a gas-producing well

Progressive cavity pump (PCP) drive head stuffing box with split seal

Rotary pump provided with an axially movable blade

Progressing cavity pump