Method and equipment for automatic guidance of earthmoving...

Method and equipment for maintaining ice-free locks

Method and installation for displacing a jacket of an...

Method and installation for removing a superstructure

Method and liquid for treating the surface of particles of a...

Method and means for adjusting the elevation of manhole covers

Method and means for binding of ground surfaces on bedding...

Method and means for generating a pressure wave in an...

Method and means for improved erosion control

Method and means for installing load-bearing piles in situ

Method and means for planting poles in the ground

Method and means for power mounting and dismounting a...

Method and means for producing cast-in-place structures in situ

Method and means for producing pile or like structural...

Method and means for protecting a sea bottom surface and an...

Method and means for protecting an earth situs against scour

Method and means for protecting an earth surface against scour

Method and means for removably fastening the digging or...

Method and means for repairing existing manhole

Method and means for stabilizing structural layer overlying...