Actuator driving system

Actuator operating signal sensor

Actuator with wear compensating chamber

Actuators for simulating muscle activity in robotics

Adjustable divided flow self-leveling system

Adjustable hydraulic metering system

Alternating valve

Angular displacement motor with counterbalance chambers

Apparatus and method for controlling multiple fluid cylinders

Apparatus and method for hydraulically controlling a vehicle...

Apparatus and method for providing reduced hydraulic flow to...

Apparatus and method of controlling fluid flow between a plurali

Apparatus for multiplexing a plurality of hydraulic cylinders

Apparatus for synchronizing actuators

Apparatus to pump multiple wells

Arrangement for emergency operation of hydraulic appliance in an

Articulated mechanism with rotary vane motors

Automatic pressure control device for hydraulic actuator driving

Automatic sequencing valve and system

Automotive hydraulic system and method for driving a hydraulic a