A heavy-duty fore-and-aft working ship's crane
WO7900915A1
A low-profile crane without topping tower
ES430010A1
A fish of particular fish for a boat. (Machine-translation by Google Translate, not legally binding)
ES399302A1
A perfection in the cranes (derrick). (Machine-translation by Google Translate, not legally binding)
US3777901A
Derrick cranes
GB1410324A
Apparatus for raising floating bodies
GB1377641A
Derrick cranes
YU1571A
Adjusting device for cranes and movable lifting machines for lifting light and heavy loads
GB1323290A
Cranes
ES381000A3
A perfection in the moving arm cranes. (Machine-translation by Google Translate, not legally binding)
ES381001A3
System to transform a crane or apparatus of lifting loads with movement of rotation, to the effect that it can be used both to raise light loads and heavy loads. (Machine-translation by Google Translate, not legally binding)
US3685669A
Derrick cranes and swinging derricks
US3709375A
Cranes
US3620504A
Cranes, derricks, or the like lifting gear
GB1269641A
Derrick cranes and swinging derricks
GB1268041A
Improvements to jib cranes and swinging derricks
GB1241162A
Bulk storage containers
GB1187012A
Improvements in Derrick Cranes and Swinging Derricks.
