Means for removing snow from road

Means of elevating gold-bearing wash

Mechanical shovel

Mechanical street sweeper

Mechanical surface cleaning vehicle for fine particulate...

Mechanical surface cleaning vehicule for fine particulate...

Mechanical sweeper

Mechanism for adjusting deflector for discharge chute of...

Mechanism for adjusting deflector for discharge chute of...

Mechanism for detachably mounting a plow system to a land...

Mechanism for separating egg whites from egg yolks

Method and apparatus for adjusting a preselected sweeping...

Method and apparatus for control of a rail contaminant...

Method and apparatus for detaching coatings frozen on to...

Method and apparatus for dispensing a deicer liquid

Method and apparatus for disposing of accumulations of snow

Method and apparatus for making and preserving an outdoor...

Method and apparatus for making compacted snow pavements

Method and apparatus for melting snow

Method and apparatus for melting snow and ice