Arrangement in a hydraulically operated crane

Article exchanging apparatus

Articulated mine service vehicle

Articulated stand apparatus for laying and recovering pipeline

Automatic hoist and traversing apparatus

Balanced lifting beam

Balancing system for high capacity cranes

Barge cable crane

Blocking arrangement in hydraulically operated cranes

Blondin cableway installation

Boom arm support lock

Boom construction and method for making same

Boom control system

Boom stop and back hitch compensating system

Bridge crane with load cells for correlating the lift operation

Bucket loader boom

Cable lifting device

Cable machine control

Cable stay crane

Calibration of crane load indicating arrangement