Auxiliary braking device for wellhead having progressive...

Controller for compressor

Cylinder pump having controllable piston/drive detachment

Disabling arrangement for a reciprocating piston compressor

Electrohydraulic adjustable pump

Fuel injection pump and plunger control means therefor

Fuel injection pump with plunger stroke control

Fuel injection pump, especially for internal combustion engines

Fuel injection pumping apparatus

Fuel injection pumps for internal combustion engines

Fuel injection pumps for internal combustion engines

Gas turbine fuel delivery system

Gas-actuated fuel pump wherein the pump piston is driven by a sp

Improved lubrication pump for a torque proportioning differentia

Lubricating-oil pump for a motor-driven apparatus

Micro device incorporating programmable element

Overspeed protection system

Piston stroke control device for free piston type oscillating co

Pump device having a device for restricting movement of a...

Pump drive head pump assembly with a hydraulic pump circuit for