Grab excavator with fixed jib
Hand-held suction dredge and metal detector
Heavy breaking giant excavating equipment
Hydraulic mining of tar sands with submerged jet erosion
Jigging machine
Marine clathrate mining and sediment separation
Metal particle recovery at sub-surface locations
Method and apparatus for collecting mineral aggregates from sea
Method and apparatus for drilling and separating
Method and apparatus for mining of ocean floors
Method and apparatus for recovering a gas from a gas hydrate...
Method and apparatus for recovering mineral nodules from the oce
Method and device for collecting objects from the seabed
Method and means for processing oil sands while excavating
Method and means for processing oil sands while excavating
Method and means for processing oil sands while excavating
Method and means for recovering hydrocarbons from oil sands...
Method and means for recovering hydrocarbons from oil sands...
Method and system for mining hydrocarbon-containing materials
Method and system for mining hydrocarbon-containing materials