Deep sea mining apparatus and method

Deep-sea ore collecting and hoisting apparatus

Depth control for endless chain type trencher

Detachable blade mounting device

Detachable coupling for a suction head

Device for assembling a bucket on a frame

Device for conveying a slurry, such as sand or gravel or the lik

Device for cutting loose hard ground material

Device for digging, balling and relocating a tree and other mate

Device for planing a body of ground material

Device for preparing the surface of ice rinks

Device for pumping out sanded in crab pots

Device for scraping ice and snow, particularly for motor vehicle

Device for uprooting tree stumps

Device for use in removal of stumps

Digging apparatus

Digging boom assembly

Digging wheel for a suction dredger vessel

Digging wheel for a suction dredger vessel

Direct driven type shock ripper device