Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
Load children
E02D
FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
Load children
E02D2250/0061
for working underwater
Load children Filter patents View analytics View as hierarchy
E02D2250/0092
using hydraulical means
Filter patents View analytics View as hierarchy