Machine guidance system and method

Manipulable tool mount

Material fracturing apparatus

Means for driving the back walls of a bucket excavator

Means for holding cutter bits

Means for milling peat

Means for pneumatic gathering of milled peat

Means for removably affixing a cutter bit mounting lug to a...

Means for rolling sod and for positioning the rolls formed

Method and apparatus for a combined hydraulic- mechanical...

Method and apparatus for breaking a hard compact material...

Method and apparatus for breaking compact material using...

Method and apparatus for breaking hard compact material such...

Method and apparatus for continuous underwater mining

Method and apparatus for creating a slurry

Method and apparatus for cutting erosive materials using...

Method and apparatus for dredging rock

Method and apparatus for drilling and mining

Method and apparatus for drilling hard material

Method and apparatus for excavating settled body of solids